418545

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 741312

約数和(自身を除く): 322767

約数列:

[1, 3, 5, 9, 15, 45, 71, 131, 213, 355, 393, 639, 655, 1065, 1179, 1965, 3195, 5895, 9301, 27903, 46505, 83709, 139515, 418545]

約数ペア:

[(1, 418545), (3, 139515), (5, 83709), (9, 46505), (15, 27903), (45, 9301), (71, 5895), (131, 3195), (213, 1965), (355, 1179), (393, 1065), (639, 655)]