78441753

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{557}}^1$

素因数の和:753

約数の個数: 32

約数和(自身を含む): 118492416

約数和(自身を除く): 40050663

約数列:

[1, 3, 13, 23, 39, 69, 157, 299, 471, 557, 897, 1671, 2041, 3611, 6123, 7241, 10833, 12811, 21723, 38433, 46943, 87449, 140829, 166543, 262347, 499629, 1136837, 2011327, 3410511, 6033981, 26147251, 78441753]

約数ペア:

[(1, 78441753), (3, 26147251), (13, 6033981), (23, 3410511), (39, 2011327), (69, 1136837), (157, 499629), (299, 262347), (471, 166543), (557, 140829), (897, 87449), (1671, 46943), (2041, 38433), (3611, 21723), (6123, 12811), (7241, 10833)]