12789231

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{593}}^1$

素因数の和:695

約数の個数: 32

約数和(自身を含む): 21288960

約数和(自身を除く): 8499729

約数列:

[1, 3, 7, 13, 21, 39, 79, 91, 237, 273, 553, 593, 1027, 1659, 1779, 3081, 4151, 7189, 7709, 12453, 21567, 23127, 46847, 53963, 140541, 161889, 327929, 609011, 983787, 1827033, 4263077, 12789231]

約数ペア:

[(1, 12789231), (3, 4263077), (7, 1827033), (13, 983787), (21, 609011), (39, 327929), (79, 161889), (91, 140541), (237, 53963), (273, 46847), (553, 23127), (593, 21567), (1027, 12453), (1659, 7709), (1779, 7189), (3081, 4151)]