68700681

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1213}}^1$

素因数の和:1286

約数の個数: 48

約数和(自身を含む): 121205760

約数和(自身を除く): 52505079

約数列:

[1, 3, 7, 9, 21, 29, 31, 63, 87, 93, 203, 217, 261, 279, 609, 651, 899, 1213, 1827, 1953, 2697, 3639, 6293, 8091, 8491, 10917, 18879, 25473, 35177, 37603, 56637, 76419, 105531, 112809, 246239, 263221, 316593, 338427, 738717, 789663, 1090487, 2216151, 2368989, 3271461, 7633409, 9814383, 22900227, 68700681]

約数ペア:

[(1, 68700681), (3, 22900227), (7, 9814383), (9, 7633409), (21, 3271461), (29, 2368989), (31, 2216151), (63, 1090487), (87, 789663), (93, 738717), (203, 338427), (217, 316593), (261, 263221), (279, 246239), (609, 112809), (651, 105531), (899, 76419), (1213, 56637), (1827, 37603), (1953, 35177), (2697, 25473), (3639, 18879), (6293, 10917), (8091, 8491)]