123557511

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{2131}}^1$

素因数の和:2403

約数の個数: 32

約数和(自身を含む): 206309376

約数和(自身を除く): 82751865

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 251, 753, 1757, 2131, 2761, 5271, 6393, 8283, 14917, 19327, 23441, 44751, 57981, 70323, 164087, 492261, 534881, 1604643, 3744167, 5883691, 11232501, 17651073, 41185837, 123557511]

約数ペア:

[(1, 123557511), (3, 41185837), (7, 17651073), (11, 11232501), (21, 5883691), (33, 3744167), (77, 1604643), (231, 534881), (251, 492261), (753, 164087), (1757, 70323), (2131, 57981), (2761, 44751), (5271, 23441), (6393, 19327), (8283, 14917)]