68900415

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{293}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 112867776

約数和(自身を除く): 43967361

約数列:

[1, 3, 5, 15, 61, 183, 257, 293, 305, 771, 879, 915, 1285, 1465, 3855, 4395, 15677, 17873, 47031, 53619, 75301, 78385, 89365, 225903, 235155, 268095, 376505, 1129515, 4593361, 13780083, 22966805, 68900415]

約数ペア:

[(1, 68900415), (3, 22966805), (5, 13780083), (15, 4593361), (61, 1129515), (183, 376505), (257, 268095), (293, 235155), (305, 225903), (771, 89365), (879, 78385), (915, 75301), (1285, 53619), (1465, 47031), (3855, 17873), (4395, 15677)]