13780215

素因数分解:

$3^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{853}}^1$

素因数の和:1223

約数の個数: 24

約数和(自身を含む): 23980320

約数和(自身を除く): 10200105

約数列:

[1, 3, 5, 9, 15, 45, 359, 853, 1077, 1795, 2559, 3231, 4265, 5385, 7677, 12795, 16155, 38385, 306227, 918681, 1531135, 2756043, 4593405, 13780215]

約数ペア:

[(1, 13780215), (3, 4593405), (5, 2756043), (9, 1531135), (15, 918681), (45, 306227), (359, 38385), (853, 16155), (1077, 12795), (1795, 7677), (2559, 5385), (3231, 4265)]