13938687

素因数分解:

$3^2\times 7^2\times {\mathrm{31607}}^1$

素因数の和:31627

約数の個数: 18

約数和(自身を含む): 23421528

約数和(自身を除く): 9482841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 31607, 94821, 221249, 284463, 663747, 1548743, 1991241, 4646229, 13938687]

約数ペア:

[(1, 13938687), (3, 4646229), (7, 1991241), (9, 1548743), (21, 663747), (49, 284463), (63, 221249), (147, 94821), (441, 31607)]