20145615

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{27409}}^1$

素因数の和:27431

約数の個数: 24

約数和(自身を含む): 37496880

約数和(自身を除く): 17351265

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 27409, 82227, 137045, 191863, 411135, 575589, 959315, 1343041, 2877945, 4029123, 6715205, 20145615]

約数ペア:

[(1, 20145615), (3, 6715205), (5, 4029123), (7, 2877945), (15, 1343041), (21, 959315), (35, 575589), (49, 411135), (105, 191863), (147, 137045), (245, 82227), (735, 27409)]