13259547

素因数分解:

$3^2\times 7^2\times {\mathrm{107}}^1\times {\mathrm{281}}^1$

素因数の和:408

約数の個数: 36

約数和(自身を含む): 22567896

約数和(自身を除く): 9308349

約数列:

[1, 3, 7, 9, 21, 49, 63, 107, 147, 281, 321, 441, 749, 843, 963, 1967, 2247, 2529, 5243, 5901, 6741, 13769, 15729, 17703, 30067, 41307, 47187, 90201, 123921, 210469, 270603, 631407, 1473283, 1894221, 4419849, 13259547]

約数ペア:

[(1, 13259547), (3, 4419849), (7, 1894221), (9, 1473283), (21, 631407), (49, 270603), (63, 210469), (107, 123921), (147, 90201), (281, 47187), (321, 41307), (441, 30067), (749, 17703), (843, 15729), (963, 13769), (1967, 6741), (2247, 5901), (2529, 5243)]