3216655

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:147

約数の個数: 32

約数和(自身を含む): 4572288

約数和(自身を除く): 1355633

約数列:

[1, 5, 13, 17, 41, 65, 71, 85, 205, 221, 355, 533, 697, 923, 1105, 1207, 2665, 2911, 3485, 4615, 6035, 9061, 14555, 15691, 37843, 45305, 49487, 78455, 189215, 247435, 643331, 3216655]

約数ペア:

[(1, 3216655), (5, 643331), (13, 247435), (17, 189215), (41, 78455), (65, 49487), (71, 45305), (85, 37843), (205, 15691), (221, 14555), (355, 9061), (533, 6035), (697, 4615), (923, 3485), (1105, 2911), (1207, 2665)]