778867677

素因数分解:

$3^3\times 7^1\times {\mathrm{4120993}}^1$

素因数の和:4121009

約数の個数: 16

約数和(自身を含む): 1318718080

約数和(自身を除く): 539850403

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 4120993, 12362979, 28846951, 37088937, 86540853, 111266811, 259622559, 778867677]

約数ペア:

[(1, 778867677), (3, 259622559), (7, 111266811), (9, 86540853), (21, 37088937), (27, 28846951), (63, 12362979), (189, 4120993)]