639006273

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{6967}}^1$

素因数の和:7098

約数の個数: 32

約数和(自身を含む): 981094400

約数和(自身を除く): 342088127

約数列:

[1, 3, 9, 27, 43, 79, 129, 237, 387, 711, 1161, 2133, 3397, 6967, 10191, 20901, 30573, 62703, 91719, 188109, 299581, 550393, 898743, 1651179, 2696229, 4953537, 8088687, 14860611, 23666899, 71000697, 213002091, 639006273]

約数ペア:

[(1, 639006273), (3, 213002091), (9, 71000697), (27, 23666899), (43, 14860611), (79, 8088687), (129, 4953537), (237, 2696229), (387, 1651179), (711, 898743), (1161, 550393), (2133, 299581), (3397, 188109), (6967, 91719), (10191, 62703), (20901, 30573)]