2556554091

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{720359}}^1$

素因数の和:720395

約数の個数: 24

約数和(自身を含む): 4218428160

約数和(自身を除く): 1661874069

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549, 720359, 2161077, 5042513, 9364667, 15127539, 28094001, 65552669, 121740671, 196658007, 365222013, 852184697, 2556554091]

約数ペア:

[(1, 2556554091), (3, 852184697), (7, 365222013), (13, 196658007), (21, 121740671), (39, 65552669), (91, 28094001), (169, 15127539), (273, 9364667), (507, 5042513), (1183, 2161077), (3549, 720359)]