68381215

素因数分解:

$5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{3533}}^1$

素因数の和:3631

約数の個数: 24

約数和(自身を含む): 96690240

約数和(自身を除く): 28309025

約数列:

[1, 5, 7, 35, 49, 79, 245, 395, 553, 2765, 3533, 3871, 17665, 19355, 24731, 123655, 173117, 279107, 865585, 1395535, 1953749, 9768745, 13676243, 68381215]

約数ペア:

[(1, 68381215), (5, 13676243), (7, 9768745), (35, 1953749), (49, 1395535), (79, 865585), (245, 279107), (395, 173117), (553, 123655), (2765, 24731), (3533, 19355), (3871, 17665)]