26809575

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{887}}^1$

素因数の和:944

約数の個数: 48

約数和(自身を含む): 49330176

約数和(自身を除く): 22520601

約数列:

[1, 3, 5, 13, 15, 25, 31, 39, 65, 75, 93, 155, 195, 325, 403, 465, 775, 887, 975, 1209, 2015, 2325, 2661, 4435, 6045, 10075, 11531, 13305, 22175, 27497, 30225, 34593, 57655, 66525, 82491, 137485, 172965, 288275, 357461, 412455, 687425, 864825, 1072383, 1787305, 2062275, 5361915, 8936525, 26809575]

約数ペア:

[(1, 26809575), (3, 8936525), (5, 5361915), (13, 2062275), (15, 1787305), (25, 1072383), (31, 864825), (39, 687425), (65, 412455), (75, 357461), (93, 288275), (155, 172965), (195, 137485), (325, 82491), (403, 66525), (465, 57655), (775, 34593), (887, 30225), (975, 27497), (1209, 22175), (2015, 13305), (2325, 11531), (2661, 10075), (4435, 6045)]