129217825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{7703}}^1$

素因数の和:7785

約数の個数: 24

約数和(自身を含む): 177685056

約数和(自身を除く): 48467231

約数列:

[1, 5, 11, 25, 55, 61, 275, 305, 671, 1525, 3355, 7703, 16775, 38515, 84733, 192575, 423665, 469883, 2118325, 2349415, 5168713, 11747075, 25843565, 129217825]

約数ペア:

[(1, 129217825), (5, 25843565), (11, 11747075), (25, 5168713), (55, 2349415), (61, 2118325), (275, 469883), (305, 423665), (671, 192575), (1525, 84733), (3355, 38515), (7703, 16775)]