217423761

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{8059}}^1$

素因数の和:8125

約数の個数: 24

約数和(自身を含む): 320916960

約数和(自身を除く): 103493199

約数列:

[1, 3, 17, 23, 51, 69, 391, 529, 1173, 1587, 8059, 8993, 24177, 26979, 137003, 185357, 411009, 556071, 3151069, 4263211, 9453207, 12789633, 72474587, 217423761]

約数ペア:

[(1, 217423761), (3, 72474587), (17, 12789633), (23, 9453207), (51, 4263211), (69, 3151069), (391, 556071), (529, 411009), (1173, 185357), (1587, 137003), (8059, 26979), (8993, 24177)]