128149119

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{383}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 218529792

約数和(自身を除く): 90380673

約数列:

[1, 3, 7, 9, 21, 47, 63, 113, 141, 329, 339, 383, 423, 791, 987, 1017, 1149, 2373, 2681, 2961, 3447, 5311, 7119, 8043, 15933, 18001, 24129, 37177, 43279, 47799, 54003, 111531, 126007, 129837, 162009, 302953, 334593, 378021, 389511, 908859, 1134063, 2034113, 2726577, 6102339, 14238791, 18307017, 42716373, 128149119]

約数ペア:

[(1, 128149119), (3, 42716373), (7, 18307017), (9, 14238791), (21, 6102339), (47, 2726577), (63, 2034113), (113, 1134063), (141, 908859), (329, 389511), (339, 378021), (383, 334593), (423, 302953), (791, 162009), (987, 129837), (1017, 126007), (1149, 111531), (2373, 54003), (2681, 47799), (2961, 43279), (3447, 37177), (5311, 24129), (7119, 18001), (8043, 15933)]