20130129

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3137}}^1$

素因数の和:3197

約数の個数: 24

約数和(自身を含む): 31329792

約数和(自身を除く): 11199663

約数列:

[1, 3, 9, 23, 31, 69, 93, 207, 279, 713, 2139, 3137, 6417, 9411, 28233, 72151, 97247, 216453, 291741, 649359, 875223, 2236681, 6710043, 20130129]

約数ペア:

[(1, 20130129), (3, 6710043), (9, 2236681), (23, 875223), (31, 649359), (69, 291741), (93, 216453), (207, 97247), (279, 72151), (713, 28233), (2139, 9411), (3137, 6417)]