17956491

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 29942784

約数和(自身を除く): 11986293

約数列:

[1, 3, 7, 21, 23, 47, 49, 69, 113, 141, 147, 161, 329, 339, 483, 791, 987, 1081, 1127, 2303, 2373, 2599, 3243, 3381, 5311, 5537, 6909, 7567, 7797, 15933, 16611, 18193, 22701, 37177, 52969, 54579, 111531, 122153, 127351, 158907, 260239, 366459, 382053, 780717, 855071, 2565213, 5985497, 17956491]

約数ペア:

[(1, 17956491), (3, 5985497), (7, 2565213), (21, 855071), (23, 780717), (47, 382053), (49, 366459), (69, 260239), (113, 158907), (141, 127351), (147, 122153), (161, 111531), (329, 54579), (339, 52969), (483, 37177), (791, 22701), (987, 18193), (1081, 16611), (1127, 15933), (2303, 7797), (2373, 7567), (2599, 6909), (3243, 5537), (3381, 5311)]