86821389

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1607}}^1$

素因数の和:1671

約数の個数: 40

約数和(自身を含む): 140088960

約数和(自身を除く): 53267571

約数列:

[1, 3, 9, 23, 27, 29, 69, 81, 87, 207, 261, 621, 667, 783, 1607, 1863, 2001, 2349, 4821, 6003, 14463, 18009, 36961, 43389, 46603, 54027, 110883, 130167, 139809, 332649, 419427, 997947, 1071869, 1258281, 2993841, 3215607, 3774843, 9646821, 28940463, 86821389]

約数ペア:

[(1, 86821389), (3, 28940463), (9, 9646821), (23, 3774843), (27, 3215607), (29, 2993841), (69, 1258281), (81, 1071869), (87, 997947), (207, 419427), (261, 332649), (621, 139809), (667, 130167), (783, 110883), (1607, 54027), (1863, 46603), (2001, 43389), (2349, 36961), (4821, 18009), (6003, 14463)]