23213505

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{31583}}^1$

素因数の和:31605

約数の個数: 24

約数和(自身を含む): 43206912

約数和(自身を除く): 19993407

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 31583, 94749, 157915, 221081, 473745, 663243, 1105405, 1547567, 3316215, 4642701, 7737835, 23213505]

約数ペア:

[(1, 23213505), (3, 7737835), (5, 4642701), (7, 3316215), (15, 1547567), (21, 1105405), (35, 663243), (49, 473745), (105, 221081), (147, 157915), (245, 94749), (735, 31583)]