39948789

素因数分解:

$3^1\times {\mathrm{37}}^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:285

約数の個数: 24

約数和(自身を含む): 55919808

約数和(自身を除く): 15971019

約数列:

[1, 3, 37, 71, 111, 137, 213, 411, 1369, 2627, 4107, 5069, 7881, 9727, 15207, 29181, 97199, 187553, 291597, 359899, 562659, 1079697, 13316263, 39948789]

約数ペア:

[(1, 39948789), (3, 13316263), (37, 1079697), (71, 562659), (111, 359899), (137, 291597), (213, 187553), (411, 97199), (1369, 29181), (2627, 15207), (4107, 9727), (5069, 7881)]