7910217

素因数分解:

$3^4\times 7^2\times {\mathrm{1993}}^1$

素因数の和:2019

約数の個数: 30

約数和(自身を含む): 13752618

約数和(自身を除く): 5842401

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 1993, 3969, 5979, 13951, 17937, 41853, 53811, 97657, 125559, 161433, 292971, 376677, 878913, 1130031, 2636739, 7910217]

約数ペア:

[(1, 7910217), (3, 2636739), (7, 1130031), (9, 878913), (21, 376677), (27, 292971), (49, 161433), (63, 125559), (81, 97657), (147, 53811), (189, 41853), (441, 17937), (567, 13951), (1323, 5979), (1993, 3969)]