940815

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:141

約数の個数: 40

約数和(自身を含む): 1777248

約数和(自身を除く): 836433

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 101, 115, 135, 207, 303, 345, 405, 505, 621, 909, 1035, 1515, 1863, 2323, 2727, 3105, 4545, 6969, 8181, 9315, 11615, 13635, 20907, 34845, 40905, 62721, 104535, 188163, 313605, 940815]

約数ペア:

[(1, 940815), (3, 313605), (5, 188163), (9, 104535), (15, 62721), (23, 40905), (27, 34845), (45, 20907), (69, 13635), (81, 11615), (101, 9315), (115, 8181), (135, 6969), (207, 4545), (303, 3105), (345, 2727), (405, 2323), (505, 1863), (621, 1515), (909, 1035)]