12720253

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1051}}^1$

素因数の和:1097

約数の個数: 24

約数和(自身を含む): 16789920

約数和(自身を除く): 4069667

約数列:

[1, 7, 13, 19, 49, 91, 133, 247, 637, 931, 1051, 1729, 7357, 12103, 13663, 19969, 51499, 95641, 139783, 259597, 669487, 978481, 1817179, 12720253]

約数ペア:

[(1, 12720253), (7, 1817179), (13, 978481), (19, 669487), (49, 259597), (91, 139783), (133, 95641), (247, 51499), (637, 19969), (931, 13663), (1051, 12103), (1729, 7357)]