213942365

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1627}}^1$

素因数の和:1686

約数の個数: 48

約数和(自身を含む): 335862912

約数和(自身を除く): 121920547

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 289, 455, 595, 1105, 1445, 1547, 1627, 2023, 3757, 7735, 8135, 10115, 11389, 18785, 21151, 26299, 27659, 56945, 105755, 131495, 138295, 148057, 193613, 359567, 470203, 740285, 968065, 1797835, 2351015, 2516969, 3291421, 6112639, 12584845, 16457105, 30563195, 42788473, 213942365]

約数ペア:

[(1, 213942365), (5, 42788473), (7, 30563195), (13, 16457105), (17, 12584845), (35, 6112639), (65, 3291421), (85, 2516969), (91, 2351015), (119, 1797835), (221, 968065), (289, 740285), (455, 470203), (595, 359567), (1105, 193613), (1445, 148057), (1547, 138295), (1627, 131495), (2023, 105755), (3757, 56945), (7735, 27659), (8135, 26299), (10115, 21151), (11389, 18785)]