640023555

素因数分解:

$3^1\times 5^1\times {\mathrm{2333}}^1\times {\mathrm{18289}}^1$

素因数の和:20630

約数の個数: 16

約数和(自身を含む): 1024532640

約数和(自身を除く): 384509085

約数列:

[1, 3, 5, 15, 2333, 6999, 11665, 18289, 34995, 54867, 91445, 274335, 42668237, 128004711, 213341185, 640023555]

約数ペア:

[(1, 640023555), (3, 213341185), (5, 128004711), (15, 42668237), (2333, 274335), (6999, 91445), (11665, 54867), (18289, 34995)]