28130025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4871}}^1$

素因数の和:4902

約数の個数: 48

約数和(自身を含む): 57996288

約数和(自身を除く): 29866263

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 105, 165, 175, 231, 275, 385, 525, 825, 1155, 1925, 4871, 5775, 14613, 24355, 34097, 53581, 73065, 102291, 121775, 160743, 170485, 267905, 365325, 375067, 511455, 803715, 852425, 1125201, 1339525, 1875335, 2557275, 4018575, 5626005, 9376675, 28130025]

約数ペア:

[(1, 28130025), (3, 9376675), (5, 5626005), (7, 4018575), (11, 2557275), (15, 1875335), (21, 1339525), (25, 1125201), (33, 852425), (35, 803715), (55, 511455), (75, 375067), (77, 365325), (105, 267905), (165, 170485), (175, 160743), (231, 121775), (275, 102291), (385, 73065), (525, 53581), (825, 34097), (1155, 24355), (1925, 14613), (4871, 5775)]