81764025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{155741}}^1$

素因数の和:155761

約数の個数: 24

約数和(自身を含む): 154496064

約数和(自身を除く): 72732039

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 155741, 467223, 778705, 1090187, 2336115, 3270561, 3893525, 5450935, 11680575, 16352805, 27254675, 81764025]

約数ペア:

[(1, 81764025), (3, 27254675), (5, 16352805), (7, 11680575), (15, 5450935), (21, 3893525), (25, 3270561), (35, 2336115), (75, 1090187), (105, 778705), (175, 467223), (525, 155741)]