71640105

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{521}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 117262080

約数和(自身を除く): 45621975

約数列:

[1, 3, 5, 15, 89, 103, 267, 309, 445, 515, 521, 1335, 1545, 1563, 2605, 7815, 9167, 27501, 45835, 46369, 53663, 137505, 139107, 160989, 231845, 268315, 695535, 804945, 4776007, 14328021, 23880035, 71640105]

約数ペア:

[(1, 71640105), (3, 23880035), (5, 14328021), (15, 4776007), (89, 804945), (103, 695535), (267, 268315), (309, 231845), (445, 160989), (515, 139107), (521, 137505), (1335, 53663), (1545, 46369), (1563, 45835), (2605, 27501), (7815, 9167)]