81168906

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3163}}^1$

素因数の和:3235

約数の個数: 64

約数和(自身を含む): 204115968

約数和(自身を除く): 122947062

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 47, 78, 91, 94, 141, 182, 273, 282, 329, 546, 611, 658, 987, 1222, 1833, 1974, 3163, 3666, 4277, 6326, 8554, 9489, 12831, 18978, 22141, 25662, 41119, 44282, 66423, 82238, 123357, 132846, 148661, 246714, 287833, 297322, 445983, 575666, 863499, 891966, 1040627, 1726998, 1932593, 2081254, 3121881, 3865186, 5797779, 6243762, 11595558, 13528151, 27056302, 40584453, 81168906]

約数ペア:

[(1, 81168906), (2, 40584453), (3, 27056302), (6, 13528151), (7, 11595558), (13, 6243762), (14, 5797779), (21, 3865186), (26, 3121881), (39, 2081254), (42, 1932593), (47, 1726998), (78, 1040627), (91, 891966), (94, 863499), (141, 575666), (182, 445983), (273, 297322), (282, 287833), (329, 246714), (546, 148661), (611, 132846), (658, 123357), (987, 82238), (1222, 66423), (1833, 44282), (1974, 41119), (3163, 25662), (3666, 22141), (4277, 18978), (6326, 12831), (8554, 9489)]