1971801

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{887}}^1$

素因数の和:925

約数の個数: 24

約数和(自身を含む): 3232320

約数和(自身を除く): 1260519

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 887, 2223, 2661, 7983, 11531, 16853, 34593, 50559, 103779, 151677, 219089, 657267, 1971801]

約数ペア:

[(1, 1971801), (3, 657267), (9, 219089), (13, 151677), (19, 103779), (39, 50559), (57, 34593), (117, 16853), (171, 11531), (247, 7983), (741, 2661), (887, 2223)]