68645895

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 112000512

約数和(自身を除く): 43354617

約数列:

[1, 3, 5, 15, 103, 157, 283, 309, 471, 515, 785, 849, 1415, 1545, 2355, 4245, 16171, 29149, 44431, 48513, 80855, 87447, 133293, 145745, 222155, 242565, 437235, 666465, 4576393, 13729179, 22881965, 68645895]

約数ペア:

[(1, 68645895), (3, 22881965), (5, 13729179), (15, 4576393), (103, 666465), (157, 437235), (283, 242565), (309, 222155), (471, 145745), (515, 133293), (785, 87447), (849, 80855), (1415, 48513), (1545, 44431), (2355, 29149), (4245, 16171)]