13870311

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^2$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 24267264

約数和(自身を除く): 10396953

約数列:

[1, 3, 7, 13, 21, 23, 39, 47, 69, 91, 141, 161, 273, 299, 329, 483, 611, 897, 987, 1081, 1833, 2093, 2209, 3243, 4277, 6279, 6627, 7567, 12831, 14053, 15463, 22701, 28717, 42159, 46389, 50807, 86151, 98371, 152421, 201019, 295113, 355649, 603057, 660491, 1066947, 1981473, 4623437, 13870311]

約数ペア:

[(1, 13870311), (3, 4623437), (7, 1981473), (13, 1066947), (21, 660491), (23, 603057), (39, 355649), (47, 295113), (69, 201019), (91, 152421), (141, 98371), (161, 86151), (273, 50807), (299, 46389), (329, 42159), (483, 28717), (611, 22701), (897, 15463), (987, 14053), (1081, 12831), (1833, 7567), (2093, 6627), (2209, 6279), (3243, 4277)]