257182575

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13883}}^1$

素因数の和:13928

約数の個数: 48

約数和(自身を含む): 482052480

約数和(自身を除く): 224869905

約数列:

[1, 3, 5, 13, 15, 19, 25, 39, 57, 65, 75, 95, 195, 247, 285, 325, 475, 741, 975, 1235, 1425, 3705, 6175, 13883, 18525, 41649, 69415, 180479, 208245, 263777, 347075, 541437, 791331, 902395, 1041225, 1318885, 2707185, 3429101, 3956655, 4511975, 6594425, 10287303, 13535925, 17145505, 19783275, 51436515, 85727525, 257182575]

約数ペア:

[(1, 257182575), (3, 85727525), (5, 51436515), (13, 19783275), (15, 17145505), (19, 13535925), (25, 10287303), (39, 6594425), (57, 4511975), (65, 3956655), (75, 3429101), (95, 2707185), (195, 1318885), (247, 1041225), (285, 902395), (325, 791331), (475, 541437), (741, 347075), (975, 263777), (1235, 208245), (1425, 180479), (3705, 69415), (6175, 41649), (13883, 18525)]