289023615

素因数分解:

$3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{20921}}^1$

素因数の和:21239

約数の個数: 24

約数和(自身を含む): 502630128

約数和(自身を除く): 213606513

約数列:

[1, 3, 5, 9, 15, 45, 307, 921, 1535, 2763, 4605, 13815, 20921, 62763, 104605, 188289, 313815, 941445, 6422747, 19268241, 32113735, 57804723, 96341205, 289023615]

約数ペア:

[(1, 289023615), (3, 96341205), (5, 57804723), (9, 32113735), (15, 19268241), (45, 6422747), (307, 941445), (921, 313815), (1535, 188289), (2763, 104605), (4605, 62763), (13815, 20921)]