1297009

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:220

約数の個数: 16

約数和(自身を含む): 1576960

約数和(自身を除く): 279951

約数列:

[1, 7, 31, 43, 139, 217, 301, 973, 1333, 4309, 5977, 9331, 30163, 41839, 185287, 1297009]

約数ペア:

[(1, 1297009), (7, 185287), (31, 41839), (43, 30163), (139, 9331), (217, 5977), (301, 4309), (973, 1333)]