81589788

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{107923}}^1$

素因数の和:107943

約数の個数: 48

約数和(自身を含む): 241749760

約数和(自身を除く): 160159972

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 107923, 215846, 323769, 431692, 647538, 755461, 971307, 1295076, 1510922, 1942614, 2266383, 2913921, 3021844, 3885228, 4532766, 5827842, 6799149, 9065532, 11655684, 13598298, 20397447, 27196596, 40794894, 81589788]

約数ペア:

[(1, 81589788), (2, 40794894), (3, 27196596), (4, 20397447), (6, 13598298), (7, 11655684), (9, 9065532), (12, 6799149), (14, 5827842), (18, 4532766), (21, 3885228), (27, 3021844), (28, 2913921), (36, 2266383), (42, 1942614), (54, 1510922), (63, 1295076), (84, 971307), (108, 755461), (126, 647538), (189, 431692), (252, 323769), (378, 215846), (756, 107923)]