866385

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1481}}^1$

素因数の和:1505

約数の個数: 24

約数和(自身を含む): 1618344

約数和(自身を除く): 751959

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 1481, 4443, 7405, 13329, 19253, 22215, 57759, 66645, 96265, 173277, 288795, 866385]

約数ペア:

[(1, 866385), (3, 288795), (5, 173277), (9, 96265), (13, 66645), (15, 57759), (39, 22215), (45, 19253), (65, 13329), (117, 7405), (195, 4443), (585, 1481)]