81652915

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{12251}}^1$

素因数の和:12330

約数の個数: 16

約数和(自身を含む): 103504896

約数和(自身を除く): 21851981

約数列:

[1, 5, 31, 43, 155, 215, 1333, 6665, 12251, 61255, 379781, 526793, 1898905, 2633965, 16330583, 81652915]

約数ペア:

[(1, 81652915), (5, 16330583), (31, 2633965), (43, 1898905), (155, 526793), (215, 379781), (1333, 61255), (6665, 12251)]