7821255

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2111}}^1$

素因数の和:2151

約数の個数: 32

約数和(自身を含む): 14192640

約数和(自身を除く): 6371385

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 2111, 3705, 6333, 10555, 27443, 31665, 40109, 82329, 120327, 137215, 200545, 411645, 521417, 601635, 1564251, 2607085, 7821255]

約数ペア:

[(1, 7821255), (3, 2607085), (5, 1564251), (13, 601635), (15, 521417), (19, 411645), (39, 200545), (57, 137215), (65, 120327), (95, 82329), (195, 40109), (247, 31665), (285, 27443), (741, 10555), (1235, 6333), (2111, 3705)]