81181116

素因数分解:

$2^2\times 3^4\times {\mathrm{71}}^1\times {\mathrm{3529}}^1$

素因数の和:3616

約数の個数: 60

約数和(自身を含む): 215273520

約数和(自身を除く): 134092404

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 81, 108, 142, 162, 213, 284, 324, 426, 639, 852, 1278, 1917, 2556, 3529, 3834, 5751, 7058, 7668, 10587, 11502, 14116, 21174, 23004, 31761, 42348, 63522, 95283, 127044, 190566, 250559, 285849, 381132, 501118, 571698, 751677, 1002236, 1143396, 1503354, 2255031, 3006708, 4510062, 6765093, 9020124, 13530186, 20295279, 27060372, 40590558, 81181116]

約数ペア:

[(1, 81181116), (2, 40590558), (3, 27060372), (4, 20295279), (6, 13530186), (9, 9020124), (12, 6765093), (18, 4510062), (27, 3006708), (36, 2255031), (54, 1503354), (71, 1143396), (81, 1002236), (108, 751677), (142, 571698), (162, 501118), (213, 381132), (284, 285849), (324, 250559), (426, 190566), (639, 127044), (852, 95283), (1278, 63522), (1917, 42348), (2556, 31761), (3529, 23004), (3834, 21174), (5751, 14116), (7058, 11502), (7668, 10587)]