86969631

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{217969}}^1$

素因数の和:217998

約数の個数: 16

約数和(自身を含む): 139500800

約数和(自身を除く): 52531169

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 217969, 653907, 1525783, 4141411, 4577349, 12424233, 28989877, 86969631]

約数ペア:

[(1, 86969631), (3, 28989877), (7, 12424233), (19, 4577349), (21, 4141411), (57, 1525783), (133, 653907), (399, 217969)]