289774485

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{919}}^1$

素因数の和:968

約数の個数: 144

約数和(自身を含む): 687173760

約数和(自身を除く): 397399275

約数列:

[1, 3, 5, 7, 9, 11, 13, 15, 21, 33, 35, 39, 45, 49, 55, 63, 65, 77, 91, 99, 105, 117, 143, 147, 165, 195, 231, 245, 273, 315, 385, 429, 441, 455, 495, 539, 585, 637, 693, 715, 735, 819, 919, 1001, 1155, 1287, 1365, 1617, 1911, 2145, 2205, 2695, 2757, 3003, 3185, 3465, 4095, 4595, 4851, 5005, 5733, 6433, 6435, 7007, 8085, 8271, 9009, 9555, 10109, 11947, 13785, 15015, 19299, 21021, 24255, 28665, 30327, 32165, 35035, 35841, 41355, 45031, 45045, 50545, 57897, 59735, 63063, 70763, 83629, 90981, 96495, 105105, 107523, 131417, 135093, 151635, 179205, 212289, 225155, 250887, 289485, 315315, 353815, 394251, 405279, 418145, 454905, 495341, 537615, 585403, 636867, 657085, 675465, 752661, 919919, 1061445, 1182753, 1254435, 1486023, 1756209, 1971255, 2026395, 2476705, 2759757, 2927015, 3184335, 3763305, 4458069, 4599595, 5268627, 5913765, 6439433, 7430115, 8279271, 8781045, 13798785, 19318299, 22290345, 26343135, 32197165, 41396355, 57954897, 96591495, 289774485]

約数ペア:

[(1, 289774485), (3, 96591495), (5, 57954897), (7, 41396355), (9, 32197165), (11, 26343135), (13, 22290345), (15, 19318299), (21, 13798785), (33, 8781045), (35, 8279271), (39, 7430115), (45, 6439433), (49, 5913765), (55, 5268627), (63, 4599595), (65, 4458069), (77, 3763305), (91, 3184335), (99, 2927015), (105, 2759757), (117, 2476705), (143, 2026395), (147, 1971255), (165, 1756209), (195, 1486023), (231, 1254435), (245, 1182753), (273, 1061445), (315, 919919), (385, 752661), (429, 675465), (441, 657085), (455, 636867), (495, 585403), (539, 537615), (585, 495341), (637, 454905), (693, 418145), (715, 405279), (735, 394251), (819, 353815), (919, 315315), (1001, 289485), (1155, 250887), (1287, 225155), (1365, 212289), (1617, 179205), (1911, 151635), (2145, 135093), (2205, 131417), (2695, 107523), (2757, 105105), (3003, 96495), (3185, 90981), (3465, 83629), (4095, 70763), (4595, 63063), (4851, 59735), (5005, 57897), (5733, 50545), (6433, 45045), (6435, 45031), (7007, 41355), (8085, 35841), (8271, 35035), (9009, 32165), (9555, 30327), (10109, 28665), (11947, 24255), (13785, 21021), (15015, 19299)]