81947628

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{325189}}^1$

素因数の和:325206

約数の個数: 36

約数和(自身を含む): 236738320

約数和(自身を除く): 154790692

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 325189, 650378, 975567, 1300756, 1951134, 2276323, 2926701, 3902268, 4552646, 5853402, 6828969, 9105292, 11706804, 13657938, 20486907, 27315876, 40973814, 81947628]

約数ペア:

[(1, 81947628), (2, 40973814), (3, 27315876), (4, 20486907), (6, 13657938), (7, 11706804), (9, 9105292), (12, 6828969), (14, 5853402), (18, 4552646), (21, 3902268), (28, 2926701), (36, 2276323), (42, 1951134), (63, 1300756), (84, 975567), (126, 650378), (252, 325189)]