221412861

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{2207}}^1$

素因数の和:2441

約数の個数: 24

約数和(自身を含む): 326536704

約数和(自身を除く): 105123843

約数列:

[1, 3, 9, 71, 157, 213, 471, 639, 1413, 2207, 6621, 11147, 19863, 33441, 100323, 156697, 346499, 470091, 1039497, 1410273, 3118491, 24601429, 73804287, 221412861]

約数ペア:

[(1, 221412861), (3, 73804287), (9, 24601429), (71, 3118491), (157, 1410273), (213, 1039497), (471, 470091), (639, 346499), (1413, 156697), (2207, 100323), (6621, 33441), (11147, 19863)]