90471771

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{20899}}^1$

素因数の和:20955

約数の個数: 24

約数和(自身を含む): 144544400

約数和(自身を除く): 54072629

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 333, 481, 1443, 4329, 20899, 62697, 188091, 271687, 773263, 815061, 2319789, 2445183, 6959367, 10052419, 30157257, 90471771]

約数ペア:

[(1, 90471771), (3, 30157257), (9, 10052419), (13, 6959367), (37, 2445183), (39, 2319789), (111, 815061), (117, 773263), (333, 271687), (481, 188091), (1443, 62697), (4329, 20899)]