81645599

素因数分解:

$7^1\times {\mathrm{31}}^2\times {\mathrm{53}}^1\times {\mathrm{229}}^1$

素因数の和:351

約数の個数: 24

約数和(自身を含む): 98664480

約数和(自身を除く): 17018881

約数列:

[1, 7, 31, 53, 217, 229, 371, 961, 1603, 1643, 6727, 7099, 11501, 12137, 49693, 50933, 84959, 220069, 356531, 376247, 1540483, 2633729, 11663657, 81645599]

約数ペア:

[(1, 81645599), (7, 11663657), (31, 2633729), (53, 1540483), (217, 376247), (229, 356531), (371, 220069), (961, 84959), (1603, 50933), (1643, 49693), (6727, 12137), (7099, 11501)]