1257525

素因数分解:

$3^7\times 5^2\times {\mathrm{23}}^1$

素因数の和:54

約数の個数: 48

約数和(自身を含む): 2440320

約数和(自身を除く): 1182795

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 81, 115, 135, 207, 225, 243, 345, 405, 575, 621, 675, 729, 1035, 1215, 1725, 1863, 2025, 2187, 3105, 3645, 5175, 5589, 6075, 9315, 10935, 15525, 16767, 18225, 27945, 46575, 50301, 54675, 83835, 139725, 251505, 419175, 1257525]

約数ペア:

[(1, 1257525), (3, 419175), (5, 251505), (9, 139725), (15, 83835), (23, 54675), (25, 50301), (27, 46575), (45, 27945), (69, 18225), (75, 16767), (81, 15525), (115, 10935), (135, 9315), (207, 6075), (225, 5589), (243, 5175), (345, 3645), (405, 3105), (575, 2187), (621, 2025), (675, 1863), (729, 1725), (1035, 1215)]