31784493

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 47779200

約数和(自身を除く): 15994707

約数列:

[1, 3, 13, 29, 39, 87, 157, 179, 377, 471, 537, 1131, 2041, 2327, 4553, 5191, 6123, 6981, 13659, 15573, 28103, 59189, 67483, 84309, 177567, 202449, 365339, 814987, 1096017, 2444961, 10594831, 31784493]

約数ペア:

[(1, 31784493), (3, 10594831), (13, 2444961), (29, 1096017), (39, 814987), (87, 365339), (157, 202449), (179, 177567), (377, 84309), (471, 67483), (537, 59189), (1131, 28103), (2041, 15573), (2327, 13659), (4553, 6981), (5191, 6123)]