25254021

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 38586240

約数和(自身を除く): 13332219

約数列:

[1, 3, 13, 19, 39, 57, 173, 197, 247, 519, 591, 741, 2249, 2561, 3287, 3743, 6747, 7683, 9861, 11229, 34081, 42731, 48659, 102243, 128193, 145977, 443053, 647539, 1329159, 1942617, 8418007, 25254021]

約数ペア:

[(1, 25254021), (3, 8418007), (13, 1942617), (19, 1329159), (39, 647539), (57, 443053), (173, 145977), (197, 128193), (247, 102243), (519, 48659), (591, 42731), (741, 34081), (2249, 11229), (2561, 9861), (3287, 7683), (3743, 6747)]