16981953

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{1301}}^1$

素因数の和:1552

約数の個数: 16

約数和(自身を含む): 23956800

約数和(自身を除く): 6974847

約数列:

[1, 3, 19, 57, 229, 687, 1301, 3903, 4351, 13053, 24719, 74157, 297929, 893787, 5660651, 16981953]

約数ペア:

[(1, 16981953), (3, 5660651), (19, 893787), (57, 297929), (229, 74157), (687, 24719), (1301, 13053), (3903, 4351)]