15977775

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 29248128

約数和(自身を除く): 13270353

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 107, 165, 181, 275, 321, 535, 543, 825, 905, 1177, 1605, 1991, 2675, 2715, 3531, 4525, 5885, 5973, 8025, 9955, 13575, 17655, 19367, 29425, 29865, 49775, 58101, 88275, 96835, 149325, 213037, 290505, 484175, 639111, 1065185, 1452525, 3195555, 5325925, 15977775]

約数ペア:

[(1, 15977775), (3, 5325925), (5, 3195555), (11, 1452525), (15, 1065185), (25, 639111), (33, 484175), (55, 290505), (75, 213037), (107, 149325), (165, 96835), (181, 88275), (275, 58101), (321, 49775), (535, 29865), (543, 29425), (825, 19367), (905, 17655), (1177, 13575), (1605, 9955), (1991, 8025), (2675, 5973), (2715, 5885), (3531, 4525)]