81907199997

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7883}}^1\times {\mathrm{26041}}^1$

素因数の和:33953

約数の個数: 32

約数和(自身を含む): 131401681920

約数和(自身を除く): 49494481923

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 7883, 23649, 26041, 55181, 78123, 149777, 165543, 182287, 449331, 494779, 546861, 1048439, 1484337, 3145317, 3463453, 10390359, 205281203, 615843609, 1436968421, 3900342857, 4310905263, 11701028571, 27302399999, 81907199997]

約数ペア:

[(1, 81907199997), (3, 27302399999), (7, 11701028571), (19, 4310905263), (21, 3900342857), (57, 1436968421), (133, 615843609), (399, 205281203), (7883, 10390359), (23649, 3463453), (26041, 3145317), (55181, 1484337), (78123, 1048439), (149777, 546861), (165543, 494779), (182287, 449331)]