291215111257

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1\times {\mathrm{2126791}}^1$

素因数の和:2127460

約数の個数: 16

約数和(自身を含む): 344097931264

約数和(自身を除く): 52882820007

約数列:

[1, 7, 31, 217, 631, 4417, 19561, 136927, 2126791, 14887537, 65930521, 461513647, 1342005121, 9394035847, 41602158751, 291215111257]

約数ペア:

[(1, 291215111257), (7, 41602158751), (31, 9394035847), (217, 1342005121), (631, 461513647), (4417, 65930521), (19561, 14887537), (136927, 2126791)]