130217985

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 233575056

約数和(自身を除く): 103357071

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 197, 333, 397, 555, 591, 985, 1191, 1665, 1773, 1985, 2955, 3573, 5955, 7289, 8865, 14689, 17865, 21867, 36445, 44067, 65601, 73445, 78209, 109335, 132201, 220335, 234627, 328005, 391045, 661005, 703881, 1173135, 2893733, 3519405, 8681199, 14468665, 26043597, 43405995, 130217985]

約数ペア:

[(1, 130217985), (3, 43405995), (5, 26043597), (9, 14468665), (15, 8681199), (37, 3519405), (45, 2893733), (111, 1173135), (185, 703881), (197, 661005), (333, 391045), (397, 328005), (555, 234627), (591, 220335), (985, 132201), (1191, 109335), (1665, 78209), (1773, 73445), (1985, 65601), (2955, 44067), (3573, 36445), (5955, 21867), (7289, 17865), (8865, 14689)]