400352013

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{263}}^1\times {\mathrm{2141}}^1$

素因数の和:2489

約数の個数: 24

約数和(自身を含む): 588107520

約数和(自身を除く): 187755507

約数列:

[1, 3, 9, 79, 237, 263, 711, 789, 2141, 2367, 6423, 19269, 20777, 62331, 169139, 186993, 507417, 563083, 1522251, 1689249, 5067747, 44483557, 133450671, 400352013]

約数ペア:

[(1, 400352013), (3, 133450671), (9, 44483557), (79, 5067747), (237, 1689249), (263, 1522251), (711, 563083), (789, 507417), (2141, 186993), (2367, 169139), (6423, 62331), (19269, 20777)]