63899787

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2521}}^1$

素因数の和:2619

約数の個数: 32

約数和(自身を含む): 104592384

約数和(自身を除く): 40692597

約数列:

[1, 3, 7, 17, 21, 51, 71, 119, 213, 357, 497, 1207, 1491, 2521, 3621, 7563, 8449, 17647, 25347, 42857, 52941, 128571, 178991, 299999, 536973, 899997, 1252937, 3042847, 3758811, 9128541, 21299929, 63899787]

約数ペア:

[(1, 63899787), (3, 21299929), (7, 9128541), (17, 3758811), (21, 3042847), (51, 1252937), (71, 899997), (119, 536973), (213, 299999), (357, 178991), (497, 128571), (1207, 52941), (1491, 42857), (2521, 25347), (3621, 17647), (7563, 8449)]