65180781

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{593}}^1$

素因数の和:687

約数の個数: 40

約数和(自身を含む): 103498560

約数和(自身を除く): 38317779

約数列:

[1, 3, 9, 23, 27, 59, 69, 81, 177, 207, 531, 593, 621, 1357, 1593, 1779, 1863, 4071, 4779, 5337, 12213, 13639, 16011, 34987, 36639, 40917, 48033, 104961, 109917, 122751, 314883, 368253, 804701, 944649, 1104759, 2414103, 2833947, 7242309, 21726927, 65180781]

約数ペア:

[(1, 65180781), (3, 21726927), (9, 7242309), (23, 2833947), (27, 2414103), (59, 1104759), (69, 944649), (81, 804701), (177, 368253), (207, 314883), (531, 122751), (593, 109917), (621, 104961), (1357, 48033), (1593, 40917), (1779, 36639), (1863, 34987), (4071, 16011), (4779, 13639), (5337, 12213)]