2520999

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{743}}^1$

素因数の和:791

約数の個数: 24

約数和(自身を含む): 4062240

約数和(自身を除く): 1541241

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 743, 1131, 2229, 3393, 6687, 9659, 21547, 28977, 64641, 86931, 193923, 280111, 840333, 2520999]

約数ペア:

[(1, 2520999), (3, 840333), (9, 280111), (13, 193923), (29, 86931), (39, 64641), (87, 28977), (117, 21547), (261, 9659), (377, 6687), (743, 3393), (1131, 2229)]