3921615

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:461

約数の個数: 40

約数和(自身を含む): 7352928

約数和(自身を除く): 3431313

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 345, 405, 421, 621, 1035, 1263, 1863, 2105, 3105, 3789, 6315, 9315, 9683, 11367, 18945, 29049, 34101, 48415, 56835, 87147, 145245, 170505, 261441, 435735, 784323, 1307205, 3921615]

約数ペア:

[(1, 3921615), (3, 1307205), (5, 784323), (9, 435735), (15, 261441), (23, 170505), (27, 145245), (45, 87147), (69, 56835), (81, 48415), (115, 34101), (135, 29049), (207, 18945), (345, 11367), (405, 9683), (421, 9315), (621, 6315), (1035, 3789), (1263, 3105), (1863, 2105)]