129789990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131101}}^1$

素因数の和:131125

約数の個数: 48

約数和(自身を含む): 368134416

約数和(自身を除く): 238344426

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 131101, 262202, 393303, 655505, 786606, 1179909, 1311010, 1442111, 1966515, 2359818, 2884222, 3933030, 4326333, 5899545, 7210555, 8652666, 11799090, 12978999, 14421110, 21631665, 25957998, 43263330, 64894995, 129789990]

約数ペア:

[(1, 129789990), (2, 64894995), (3, 43263330), (5, 25957998), (6, 21631665), (9, 14421110), (10, 12978999), (11, 11799090), (15, 8652666), (18, 7210555), (22, 5899545), (30, 4326333), (33, 3933030), (45, 2884222), (55, 2359818), (66, 1966515), (90, 1442111), (99, 1311010), (110, 1179909), (165, 786606), (198, 655505), (330, 393303), (495, 262202), (990, 131101)]