902421

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{857}}^1$

素因数の和:882

約数の個数: 20

約数和(自身を含む): 1453452

約数和(自身を除く): 551031

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 857, 1053, 2571, 7713, 11141, 23139, 33423, 69417, 100269, 300807, 902421]

約数ペア:

[(1, 902421), (3, 300807), (9, 100269), (13, 69417), (27, 33423), (39, 23139), (81, 11141), (117, 7713), (351, 2571), (857, 1053)]