30786651

素因数分解:

$3^2\times 7^3\times {\mathrm{9973}}^1$

素因数の和:10000

約数の個数: 24

約数和(自身を含む): 51864800

約数和(自身を除く): 21078149

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 9973, 29919, 69811, 89757, 209433, 488677, 628299, 1466031, 3420739, 4398093, 10262217, 30786651]

約数ペア:

[(1, 30786651), (3, 10262217), (7, 4398093), (9, 3420739), (21, 1466031), (49, 628299), (63, 488677), (147, 209433), (343, 89757), (441, 69811), (1029, 29919), (3087, 9973)]