387742719

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1420303}}^1$

素因数の和:1420326

約数の個数: 16

約数和(自身を含む): 636296192

約数和(自身を除く): 248553473

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 1420303, 4260909, 9942121, 18463939, 29826363, 55391817, 129247573, 387742719]

約数ペア:

[(1, 387742719), (3, 129247573), (7, 55391817), (13, 29826363), (21, 18463939), (39, 9942121), (91, 4260909), (273, 1420303)]