128951109

素因数分解:

$3^5\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^2$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 231521472

約数和(自身を除く): 102570363

約数列:

[1, 3, 7, 9, 21, 27, 41, 43, 63, 81, 123, 129, 189, 243, 287, 301, 369, 387, 567, 861, 903, 1107, 1161, 1701, 1763, 1849, 2583, 2709, 3321, 3483, 5289, 5547, 7749, 8127, 9963, 10449, 12341, 12943, 15867, 16641, 23247, 24381, 37023, 38829, 47601, 49923, 69741, 73143, 75809, 111069, 116487, 142803, 149769, 227427, 333207, 349461, 428409, 449307, 530663, 682281, 999621, 1048383, 1591989, 2046843, 2998863, 3145149, 4775967, 6140529, 14327901, 18421587, 42983703, 128951109]

約数ペア:

[(1, 128951109), (3, 42983703), (7, 18421587), (9, 14327901), (21, 6140529), (27, 4775967), (41, 3145149), (43, 2998863), (63, 2046843), (81, 1591989), (123, 1048383), (129, 999621), (189, 682281), (243, 530663), (287, 449307), (301, 428409), (369, 349461), (387, 333207), (567, 227427), (861, 149769), (903, 142803), (1107, 116487), (1161, 111069), (1701, 75809), (1763, 73143), (1849, 69741), (2583, 49923), (2709, 47601), (3321, 38829), (3483, 37023), (5289, 24381), (5547, 23247), (7749, 16641), (8127, 15867), (9963, 12943), (10449, 12341)]