84406779

素因数分解:

$3^5\times {\mathrm{163}}^1\times {\mathrm{2131}}^1$

素因数の和:2309

約数の個数: 24

約数和(自身を含む): 127271872

約数和(自身を除く): 42865093

約数列:

[1, 3, 9, 27, 81, 163, 243, 489, 1467, 2131, 4401, 6393, 13203, 19179, 39609, 57537, 172611, 347353, 517833, 1042059, 3126177, 9378531, 28135593, 84406779]

約数ペア:

[(1, 84406779), (3, 28135593), (9, 9378531), (27, 3126177), (81, 1042059), (163, 517833), (243, 347353), (489, 172611), (1467, 57537), (2131, 39609), (4401, 19179), (6393, 13203)]