180420813

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{2801}}^1$

素因数の和:3245

約数の個数: 24

約数和(自身を含む): 276691896

約数和(自身を除く): 96271083

約数列:

[1, 3, 9, 17, 51, 153, 421, 1263, 2801, 3789, 7157, 8403, 21471, 25209, 47617, 64413, 142851, 428553, 1179221, 3537663, 10612989, 20046757, 60140271, 180420813]

約数ペア:

[(1, 180420813), (3, 60140271), (9, 20046757), (17, 10612989), (51, 3537663), (153, 1179221), (421, 428553), (1263, 142851), (2801, 64413), (3789, 47617), (7157, 25209), (8403, 21471)]