201500055

素因数分解:

$3^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1279}}^1$

素因数の和:1685

約数の個数: 40

約数和(自身を含む): 362419200

約数和(自身を除く): 160919145

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 389, 405, 1167, 1279, 1945, 3501, 3837, 5835, 6395, 10503, 11511, 17505, 19185, 31509, 34533, 52515, 57555, 103599, 157545, 172665, 497531, 517995, 1492593, 2487655, 4477779, 7462965, 13433337, 22388895, 40300011, 67166685, 201500055]

約数ペア:

[(1, 201500055), (3, 67166685), (5, 40300011), (9, 22388895), (15, 13433337), (27, 7462965), (45, 4477779), (81, 2487655), (135, 1492593), (389, 517995), (405, 497531), (1167, 172665), (1279, 157545), (1945, 103599), (3501, 57555), (3837, 52515), (5835, 34533), (6395, 31509), (10503, 19185), (11511, 17505)]