16621371

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7477}}^1$

素因数の和:7515

約数の個数: 24

約数和(自身を含む): 27219920

約数和(自身を除く): 10598549

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 7477, 22431, 67293, 97201, 142063, 291603, 426189, 874809, 1278567, 1846819, 5540457, 16621371]

約数ペア:

[(1, 16621371), (3, 5540457), (9, 1846819), (13, 1278567), (19, 874809), (39, 426189), (57, 291603), (117, 142063), (171, 97201), (247, 67293), (741, 22431), (2223, 7477)]