13420485

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2549}}^1$

素因数の和:2579

約数の個数: 40

約数和(自身を含む): 25918200

約数和(自身を除く): 12497715

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 405, 585, 1053, 1755, 2549, 5265, 7647, 12745, 22941, 33137, 38235, 68823, 99411, 114705, 165685, 206469, 298233, 344115, 497055, 894699, 1032345, 1491165, 2684097, 4473495, 13420485]

約数ペア:

[(1, 13420485), (3, 4473495), (5, 2684097), (9, 1491165), (13, 1032345), (15, 894699), (27, 497055), (39, 344115), (45, 298233), (65, 206469), (81, 165685), (117, 114705), (135, 99411), (195, 68823), (351, 38235), (405, 33137), (585, 22941), (1053, 12745), (1755, 7647), (2549, 5265)]