15217575

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 27081600

約数和(自身を除く): 11864025

約数列:

[1, 3, 5, 15, 19, 25, 57, 59, 75, 95, 177, 181, 285, 295, 475, 543, 885, 905, 1121, 1425, 1475, 2715, 3363, 3439, 4425, 4525, 5605, 10317, 10679, 13575, 16815, 17195, 28025, 32037, 51585, 53395, 84075, 85975, 160185, 202901, 257925, 266975, 608703, 800925, 1014505, 3043515, 5072525, 15217575]

約数ペア:

[(1, 15217575), (3, 5072525), (5, 3043515), (15, 1014505), (19, 800925), (25, 608703), (57, 266975), (59, 257925), (75, 202901), (95, 160185), (177, 85975), (181, 84075), (285, 53395), (295, 51585), (475, 32037), (543, 28025), (885, 17195), (905, 16815), (1121, 13575), (1425, 10679), (1475, 10317), (2715, 5605), (3363, 4525), (3439, 4425)]