138285

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{439}}^1$

素因数の和:457

約数の個数: 24

約数和(自身を含む): 274560

約数和(自身を除く): 136275

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 439, 1317, 2195, 3073, 3951, 6585, 9219, 15365, 19755, 27657, 46095, 138285]

約数ペア:

[(1, 138285), (3, 46095), (5, 27657), (7, 19755), (9, 15365), (15, 9219), (21, 6585), (35, 3951), (45, 3073), (63, 2195), (105, 1317), (315, 439)]