642015

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1297}}^1$

素因数の和:1319

約数の個数: 24

約数和(自身を含む): 1214928

約数和(自身を除く): 572913

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 1297, 3891, 6485, 11673, 14267, 19455, 42801, 58365, 71335, 128403, 214005, 642015]

約数ペア:

[(1, 642015), (3, 214005), (5, 128403), (9, 71335), (11, 58365), (15, 42801), (33, 19455), (45, 14267), (55, 11673), (99, 6485), (165, 3891), (495, 1297)]