401331357

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{335281}}^1$

素因数の和:335313

約数の個数: 24

約数和(自身を含む): 697386560

約数和(自身を除く): 296055203

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 335281, 1005843, 2346967, 3017529, 6370339, 7040901, 19111017, 21122703, 44592373, 57333051, 133777119, 401331357]

約数ペア:

[(1, 401331357), (3, 133777119), (7, 57333051), (9, 44592373), (19, 21122703), (21, 19111017), (57, 7040901), (63, 6370339), (133, 3017529), (171, 2346967), (399, 1005843), (1197, 335281)]