2810025

素因数分解:

$3^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:223

約数の個数: 48

約数和(自身を含む): 5416320

約数和(自身を除く): 2606295

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 115, 135, 181, 207, 225, 345, 543, 575, 621, 675, 905, 1035, 1629, 1725, 2715, 3105, 4163, 4525, 4887, 5175, 8145, 12489, 13575, 15525, 20815, 24435, 37467, 40725, 62445, 104075, 112401, 122175, 187335, 312225, 562005, 936675, 2810025]

約数ペア:

[(1, 2810025), (3, 936675), (5, 562005), (9, 312225), (15, 187335), (23, 122175), (25, 112401), (27, 104075), (45, 62445), (69, 40725), (75, 37467), (115, 24435), (135, 20815), (181, 15525), (207, 13575), (225, 12489), (345, 8145), (543, 5175), (575, 4887), (621, 4525), (675, 4163), (905, 3105), (1035, 2715), (1629, 1725)]