31373865

素因数分解:

$3^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{757}}^1$

素因数の和:1078

約数の個数: 32

約数和(自身を含む): 56031360

約数和(自身を除く): 24657495

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 307, 757, 921, 1535, 2271, 2763, 3785, 4605, 6813, 8289, 11355, 13815, 20439, 34065, 41445, 102195, 232399, 697197, 1161995, 2091591, 3485985, 6274773, 10457955, 31373865]

約数ペア:

[(1, 31373865), (3, 10457955), (5, 6274773), (9, 3485985), (15, 2091591), (27, 1161995), (45, 697197), (135, 232399), (307, 102195), (757, 41445), (921, 34065), (1535, 20439), (2271, 13815), (2763, 11355), (3785, 8289), (4605, 6813)]