31620771

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38609}}^1$

素因数の和:38635

約数の個数: 24

約数和(自身を含む): 56216160

約数和(自身を除く): 24595389

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 38609, 115827, 270263, 347481, 501917, 810789, 1505751, 2432367, 3513419, 4517253, 10540257, 31620771]

約数ペア:

[(1, 31620771), (3, 10540257), (7, 4517253), (9, 3513419), (13, 2432367), (21, 1505751), (39, 810789), (63, 501917), (91, 347481), (117, 270263), (273, 115827), (819, 38609)]