28943421

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 43532160

約数和(自身を除く): 14588739

約数列:

[1, 3, 13, 29, 39, 87, 157, 163, 377, 471, 489, 1131, 2041, 2119, 4553, 4727, 6123, 6357, 13659, 14181, 25591, 59189, 61451, 76773, 177567, 184353, 332683, 742139, 998049, 2226417, 9647807, 28943421]

約数ペア:

[(1, 28943421), (3, 9647807), (13, 2226417), (29, 998049), (39, 742139), (87, 332683), (157, 184353), (163, 177567), (377, 76773), (471, 61451), (489, 59189), (1131, 25591), (2041, 14181), (2119, 13659), (4553, 6357), (4727, 6123)]