243789945

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:327

約数の個数: 96

約数和(自身を含む): 487555200

約数和(自身を除く): 243765255

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 105, 109, 119, 147, 179, 245, 255, 327, 357, 537, 545, 595, 735, 763, 833, 895, 1253, 1635, 1785, 1853, 2289, 2499, 2685, 3043, 3759, 3815, 4165, 5341, 5559, 6265, 8771, 9129, 9265, 11445, 12495, 12971, 15215, 16023, 18795, 19511, 21301, 26313, 26705, 27795, 38913, 43855, 45645, 58533, 63903, 64855, 80115, 90797, 97555, 106505, 131565, 136577, 149107, 194565, 272391, 292665, 319515, 331687, 409731, 447321, 453985, 682885, 745535, 956039, 995061, 1361955, 1658435, 2048655, 2236605, 2321809, 2868117, 4780195, 4975305, 6965427, 11609045, 14340585, 16252663, 34827135, 48757989, 81263315, 243789945]

約数ペア:

[(1, 243789945), (3, 81263315), (5, 48757989), (7, 34827135), (15, 16252663), (17, 14340585), (21, 11609045), (35, 6965427), (49, 4975305), (51, 4780195), (85, 2868117), (105, 2321809), (109, 2236605), (119, 2048655), (147, 1658435), (179, 1361955), (245, 995061), (255, 956039), (327, 745535), (357, 682885), (537, 453985), (545, 447321), (595, 409731), (735, 331687), (763, 319515), (833, 292665), (895, 272391), (1253, 194565), (1635, 149107), (1785, 136577), (1853, 131565), (2289, 106505), (2499, 97555), (2685, 90797), (3043, 80115), (3759, 64855), (3815, 63903), (4165, 58533), (5341, 45645), (5559, 43855), (6265, 38913), (8771, 27795), (9129, 26705), (9265, 26313), (11445, 21301), (12495, 19511), (12971, 18795), (15215, 16023)]