21093669405

素因数分解:

$3^3\times 5^1\times {\mathrm{156249403}}^1$

素因数の和:156249417

約数の個数: 16

約数和(自身を含む): 37499856960

約数和(自身を除く): 16406187555

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 156249403, 468748209, 781247015, 1406244627, 2343741045, 4218733881, 7031223135, 21093669405]

約数ペア:

[(1, 21093669405), (3, 7031223135), (5, 4218733881), (9, 2343741045), (15, 1406244627), (27, 781247015), (45, 468748209), (135, 156249403)]