215840355

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{202667}}^1$

素因数の和:202746

約数の個数: 16

約数和(自身を含む): 350210304

約数和(自身を除く): 134369949

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 202667, 608001, 1013335, 3040005, 14389357, 43168071, 71946785, 215840355]

約数ペア:

[(1, 215840355), (3, 71946785), (5, 43168071), (15, 14389357), (71, 3040005), (213, 1013335), (355, 608001), (1065, 202667)]