820408323

素因数分解:

$3^1\times 7^3\times {\mathrm{797287}}^1$

素因数の和:797311

約数の個数: 16

約数和(自身を含む): 1275660800

約数和(自身を除く): 455252477

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 797287, 2391861, 5581009, 16743027, 39067063, 117201189, 273469441, 820408323]

約数ペア:

[(1, 820408323), (3, 273469441), (7, 117201189), (21, 39067063), (49, 16743027), (147, 5581009), (343, 2391861), (1029, 797287)]