249968025

素因数分解:

$3^5\times 5^2\times {\mathrm{23}}^1\times {\mathrm{1789}}^1$

素因数の和:1837

約数の個数: 72

約数和(自身を含む): 484760640

約数和(自身を除く): 234792615

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, 1035, 1215, 1725, 1789, 1863, 2025, 3105, 5175, 5367, 5589, 6075, 8945, 9315, 15525, 16101, 26835, 27945, 41147, 44725, 46575, 48303, 80505, 123441, 134175, 139725, 144909, 205735, 241515, 370323, 402525, 434727, 617205, 724545, 1028675, 1110969, 1207575, 1851615, 2173635, 3086025, 3332907, 3622725, 5554845, 9258075, 9998721, 10868175, 16664535, 27774225, 49993605, 83322675, 249968025]

約数ペア:

[(1, 249968025), (3, 83322675), (5, 49993605), (9, 27774225), (15, 16664535), (23, 10868175), (25, 9998721), (27, 9258075), (45, 5554845), (69, 3622725), (75, 3332907), (81, 3086025), (115, 2173635), (135, 1851615), (207, 1207575), (225, 1110969), (243, 1028675), (345, 724545), (405, 617205), (575, 434727), (621, 402525), (675, 370323), (1035, 241515), (1215, 205735), (1725, 144909), (1789, 139725), (1863, 134175), (2025, 123441), (3105, 80505), (5175, 48303), (5367, 46575), (5589, 44725), (6075, 41147), (8945, 27945), (9315, 26835), (15525, 16101)]