166845

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{227}}^1$

素因数の和:249

約数の個数: 24

約数和(自身を含む): 311904

約数和(自身を除く): 145059

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 227, 245, 681, 735, 1135, 1589, 3405, 4767, 7945, 11123, 23835, 33369, 55615, 166845]

約数ペア:

[(1, 166845), (3, 55615), (5, 33369), (7, 23835), (15, 11123), (21, 7945), (35, 4767), (49, 3405), (105, 1589), (147, 1135), (227, 735), (245, 681)]