259497621

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{797}}^1$

素因数の和:1226

約数の個数: 32

約数和(自身を含む): 398361600

約数和(自身を除く): 138863979

約数列:

[1, 3, 9, 27, 31, 93, 279, 389, 797, 837, 1167, 2391, 3501, 7173, 10503, 12059, 21519, 24707, 36177, 74121, 108531, 222363, 310033, 325593, 667089, 930099, 2790297, 8370891, 9611023, 28833069, 86499207, 259497621]

約数ペア:

[(1, 259497621), (3, 86499207), (9, 28833069), (27, 9611023), (31, 8370891), (93, 2790297), (279, 930099), (389, 667089), (797, 325593), (837, 310033), (1167, 222363), (2391, 108531), (3501, 74121), (7173, 36177), (10503, 24707), (12059, 21519)]