656242515

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1\times {\mathrm{887}}^1$

素因数の和:1340

約数の個数: 48

約数和(自身を含む): 1169453376

約数和(自身を除く): 513210861

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 401, 615, 887, 1203, 1845, 2005, 2661, 3609, 4435, 6015, 7983, 13305, 16441, 18045, 36367, 39915, 49323, 82205, 109101, 147969, 181835, 246615, 327303, 355687, 545505, 739845, 1067061, 1636515, 1778435, 3201183, 5335305, 14583167, 16005915, 43749501, 72915835, 131248503, 218747505, 656242515]

約数ペア:

[(1, 656242515), (3, 218747505), (5, 131248503), (9, 72915835), (15, 43749501), (41, 16005915), (45, 14583167), (123, 5335305), (205, 3201183), (369, 1778435), (401, 1636515), (615, 1067061), (887, 739845), (1203, 545505), (1845, 355687), (2005, 327303), (2661, 246615), (3609, 181835), (4435, 147969), (6015, 109101), (7983, 82205), (13305, 49323), (16441, 39915), (18045, 36367)]