201082905

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21587}}^1$

素因数の和:21627

約数の個数: 40

約数和(自身を含む): 376149312

約数和(自身を除く): 175066407

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 345, 405, 621, 1035, 1863, 3105, 9315, 21587, 64761, 107935, 194283, 323805, 496501, 582849, 971415, 1489503, 1748547, 2482505, 2914245, 4468509, 7447515, 8742735, 13405527, 22342545, 40216581, 67027635, 201082905]

約数ペア:

[(1, 201082905), (3, 67027635), (5, 40216581), (9, 22342545), (15, 13405527), (23, 8742735), (27, 7447515), (45, 4468509), (69, 2914245), (81, 2482505), (115, 1748547), (135, 1489503), (207, 971415), (345, 582849), (405, 496501), (621, 323805), (1035, 194283), (1863, 107935), (3105, 64761), (9315, 21587)]