256307163

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{393713}}^1$

素因数の和:393754

約数の個数: 16

約数和(自身を含む): 403163136

約数和(自身を除く): 146855973

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 393713, 1181139, 2755991, 8267973, 12205103, 36615309, 85435721, 256307163]

約数ペア:

[(1, 256307163), (3, 85435721), (7, 36615309), (21, 12205103), (31, 8267973), (93, 2755991), (217, 1181139), (651, 393713)]