1638405

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1583}}^1$

素因数の和:1617

約数の個数: 24

約数和(自身を含む): 2965248

約数和(自身を除く): 1326843

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 1583, 4749, 7915, 14247, 23745, 36409, 71235, 109227, 182045, 327681, 546135, 1638405]

約数ペア:

[(1, 1638405), (3, 546135), (5, 327681), (9, 182045), (15, 109227), (23, 71235), (45, 36409), (69, 23745), (115, 14247), (207, 7915), (345, 4749), (1035, 1583)]