81350910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{903899}}^1$

素因数の和:903912

約数の個数: 24

約数和(自身を含む): 211512600

約数和(自身を除く): 130161690

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 903899, 1807798, 2711697, 4519495, 5423394, 8135091, 9038990, 13558485, 16270182, 27116970, 40675455, 81350910]

約数ペア:

[(1, 81350910), (2, 40675455), (3, 27116970), (5, 16270182), (6, 13558485), (9, 9038990), (10, 8135091), (15, 5423394), (18, 4519495), (30, 2711697), (45, 1807798), (90, 903899)]