27978337

素因数分解:

${\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:364

約数の個数: 16

約数和(自身を含む): 29962240

約数和(自身を除く): 1983903

約数列:

[1, 31, 43, 139, 151, 1333, 4309, 4681, 5977, 6493, 20989, 185287, 201283, 650659, 902527, 27978337]

約数ペア:

[(1, 27978337), (31, 902527), (43, 650659), (139, 201283), (151, 185287), (1333, 20989), (4309, 6493), (4681, 5977)]