31401969

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:517

約数の個数: 24

約数和(自身を含む): 44806272

約数和(自身を除く): 13404303

約数列:

[1, 3, 23, 47, 69, 141, 421, 529, 1081, 1263, 1587, 3243, 9683, 19787, 24863, 29049, 59361, 74589, 222709, 455101, 668127, 1365303, 10467323, 31401969]

約数ペア:

[(1, 31401969), (3, 10467323), (23, 1365303), (47, 668127), (69, 455101), (141, 222709), (421, 74589), (529, 59361), (1081, 29049), (1263, 24863), (1587, 19787), (3243, 9683)]