123641145

素因数分解:

$3^2\times 5^1\times {\mathrm{547}}^1\times {\mathrm{5023}}^1$

素因数の和:5581

約数の個数: 24

約数和(自身を含む): 214745856

約数和(自身を除く): 91104711

約数列:

[1, 3, 5, 9, 15, 45, 547, 1641, 2735, 4923, 5023, 8205, 15069, 24615, 25115, 45207, 75345, 226035, 2747581, 8242743, 13737905, 24728229, 41213715, 123641145]

約数ペア:

[(1, 123641145), (3, 41213715), (5, 24728229), (9, 13737905), (15, 8242743), (45, 2747581), (547, 226035), (1641, 75345), (2735, 45207), (4923, 25115), (5023, 24615), (8205, 15069)]