38639433

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{223}}^2$

素因数の和:493

約数の個数: 24

約数和(自身を含む): 60742848

約数和(自身を除く): 22103415

約数列:

[1, 3, 7, 21, 37, 111, 223, 259, 669, 777, 1561, 4683, 8251, 24753, 49729, 57757, 149187, 173271, 348103, 1044309, 1839973, 5519919, 12879811, 38639433]

約数ペア:

[(1, 38639433), (3, 12879811), (7, 5519919), (21, 1839973), (37, 1044309), (111, 348103), (223, 173271), (259, 149187), (669, 57757), (777, 49729), (1561, 24753), (4683, 8251)]