12861531

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:320

約数の個数: 32

約数和(自身を含む): 20160000

約数和(自身を除く): 7298469

約数列:

[1, 3, 9, 23, 27, 69, 139, 149, 207, 417, 447, 621, 1251, 1341, 3197, 3427, 3753, 4023, 9591, 10281, 20711, 28773, 30843, 62133, 86319, 92529, 186399, 476353, 559197, 1429059, 4287177, 12861531]

約数ペア:

[(1, 12861531), (3, 4287177), (9, 1429059), (23, 559197), (27, 476353), (69, 186399), (139, 92529), (149, 86319), (207, 62133), (417, 30843), (447, 28773), (621, 20711), (1251, 10281), (1341, 9591), (3197, 4023), (3427, 3753)]