18197703

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:229

約数の個数: 40

約数和(自身を含む): 28807680

約数和(自身を除く): 10609977

約数列:

[1, 3, 9, 27, 29, 61, 81, 87, 127, 183, 261, 381, 549, 783, 1143, 1647, 1769, 2349, 3429, 3683, 4941, 5307, 7747, 10287, 11049, 15921, 23241, 33147, 47763, 69723, 99441, 143289, 209169, 224663, 298323, 627507, 673989, 2021967, 6065901, 18197703]

約数ペア:

[(1, 18197703), (3, 6065901), (9, 2021967), (27, 673989), (29, 627507), (61, 298323), (81, 224663), (87, 209169), (127, 143289), (183, 99441), (261, 69723), (381, 47763), (549, 33147), (783, 23241), (1143, 15921), (1647, 11049), (1769, 10287), (2349, 7747), (3429, 5307), (3683, 4941)]