31243905

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:227

約数の個数: 96

約数和(自身を含む): 69009408

約数和(自身を除く): 37765503

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 71, 77, 99, 105, 127, 165, 213, 231, 315, 355, 381, 385, 495, 497, 635, 639, 693, 781, 889, 1065, 1143, 1155, 1397, 1491, 1905, 2343, 2485, 2667, 3195, 3465, 3905, 4191, 4445, 4473, 5467, 5715, 6985, 7029, 7455, 8001, 9017, 9779, 11715, 12573, 13335, 16401, 20955, 22365, 27051, 27335, 29337, 35145, 40005, 45085, 48895, 49203, 62865, 63119, 81153, 82005, 88011, 99187, 135255, 146685, 189357, 246015, 297561, 315595, 405765, 440055, 495935, 568071, 694309, 892683, 946785, 1487805, 2082927, 2840355, 3471545, 4463415, 6248781, 10414635, 31243905]

約数ペア:

[(1, 31243905), (3, 10414635), (5, 6248781), (7, 4463415), (9, 3471545), (11, 2840355), (15, 2082927), (21, 1487805), (33, 946785), (35, 892683), (45, 694309), (55, 568071), (63, 495935), (71, 440055), (77, 405765), (99, 315595), (105, 297561), (127, 246015), (165, 189357), (213, 146685), (231, 135255), (315, 99187), (355, 88011), (381, 82005), (385, 81153), (495, 63119), (497, 62865), (635, 49203), (639, 48895), (693, 45085), (781, 40005), (889, 35145), (1065, 29337), (1143, 27335), (1155, 27051), (1397, 22365), (1491, 20955), (1905, 16401), (2343, 13335), (2485, 12573), (2667, 11715), (3195, 9779), (3465, 9017), (3905, 8001), (4191, 7455), (4445, 7029), (4473, 6985), (5467, 5715)]