1247604771

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{19183}}^1$

素因数の和:19375

約数の個数: 32

約数和(自身を含む): 2013552640

約数和(自身を除く): 765947869

約数列:

[1, 3, 7, 19, 21, 57, 133, 163, 399, 489, 1141, 3097, 3423, 9291, 19183, 21679, 57549, 65037, 134281, 364477, 402843, 1093431, 2551339, 3126829, 7654017, 9380487, 21887803, 59409751, 65663409, 178229253, 415868257, 1247604771]

約数ペア:

[(1, 1247604771), (3, 415868257), (7, 178229253), (19, 65663409), (21, 59409751), (57, 21887803), (133, 9380487), (163, 7654017), (399, 3126829), (489, 2551339), (1141, 1093431), (3097, 402843), (3423, 364477), (9291, 134281), (19183, 65037), (21679, 57549)]