12810681

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{491}}^1$

素因数の和:733

約数の個数: 24

約数和(自身を含む): 20057856

約数和(自身を除く): 7247175

約数列:

[1, 3, 9, 13, 39, 117, 223, 491, 669, 1473, 2007, 2899, 4419, 6383, 8697, 19149, 26091, 57447, 109493, 328479, 985437, 1423409, 4270227, 12810681]

約数ペア:

[(1, 12810681), (3, 4270227), (9, 1423409), (13, 985437), (39, 328479), (117, 109493), (223, 57447), (491, 26091), (669, 19149), (1473, 8697), (2007, 6383), (2899, 4419)]