39639873

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{20743}}^1$

素因数の和:20773

約数の個数: 24

約数和(自身を含む): 66214848

約数和(自身を除く): 26574975

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 20743, 62229, 145201, 269659, 435603, 808977, 1016407, 1887613, 3049221, 5662839, 13213291, 39639873]

約数ペア:

[(1, 39639873), (3, 13213291), (7, 5662839), (13, 3049221), (21, 1887613), (39, 1016407), (49, 808977), (91, 435603), (147, 269659), (273, 145201), (637, 62229), (1911, 20743)]