213615

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:159

約数の個数: 24

約数和(自身を含む): 381888

約数和(自身を除く): 168273

約数列:

[1, 3, 5, 9, 15, 45, 47, 101, 141, 235, 303, 423, 505, 705, 909, 1515, 2115, 4545, 4747, 14241, 23735, 42723, 71205, 213615]

約数ペア:

[(1, 213615), (3, 71205), (5, 42723), (9, 23735), (15, 14241), (45, 4747), (47, 4545), (101, 2115), (141, 1515), (235, 909), (303, 705), (423, 505)]