7897869

素因数分解:

$3^2\times 7^2\times {\mathrm{17909}}^1$

素因数の和:17929

約数の個数: 18

約数和(自身を含む): 13271310

約数和(自身を除く): 5373441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 17909, 53727, 125363, 161181, 376089, 877541, 1128267, 2632623, 7897869]

約数ペア:

[(1, 7897869), (3, 2632623), (7, 1128267), (9, 877541), (21, 376089), (49, 161181), (63, 125363), (147, 53727), (441, 17909)]