71557479

素因数分解:

$3^3\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1571}}^1$

素因数の和:1828

約数の個数: 32

約数和(自身を含む): 121735680

約数和(自身を除く): 50178201

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 241, 723, 1571, 1687, 2169, 4713, 5061, 6507, 10997, 14139, 15183, 32991, 42417, 45549, 98973, 296919, 378611, 1135833, 2650277, 3407499, 7950831, 10222497, 23852493, 71557479]

約数ペア:

[(1, 71557479), (3, 23852493), (7, 10222497), (9, 7950831), (21, 3407499), (27, 2650277), (63, 1135833), (189, 378611), (241, 296919), (723, 98973), (1571, 45549), (1687, 42417), (2169, 32991), (4713, 15183), (5061, 14139), (6507, 10997)]