8780655

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1217}}^1$

素因数の和:1275

約数の個数: 32

約数和(自身を含む): 15551424

約数和(自身を除く): 6770769

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 481, 555, 1217, 1443, 2405, 3651, 6085, 7215, 15821, 18255, 45029, 47463, 79105, 135087, 225145, 237315, 585377, 675435, 1756131, 2926885, 8780655]

約数ペア:

[(1, 8780655), (3, 2926885), (5, 1756131), (13, 675435), (15, 585377), (37, 237315), (39, 225145), (65, 135087), (111, 79105), (185, 47463), (195, 45029), (481, 18255), (555, 15821), (1217, 7215), (1443, 6085), (2405, 3651)]