178202421

素因数分解:

$3^2\times {\mathrm{2801}}^1\times {\mathrm{7069}}^1$

素因数の和:9876

約数の個数: 12

約数和(自身を含む): 257531820

約数和(自身を除く): 79329399

約数列:

[1, 3, 9, 2801, 7069, 8403, 21207, 25209, 63621, 19800269, 59400807, 178202421]

約数ペア:

[(1, 178202421), (3, 59400807), (9, 19800269), (2801, 63621), (7069, 25209), (8403, 21207)]