1480017217

素因数分解:

$7^4\times {\mathrm{19}}^1\times {\mathrm{32443}}^1$

素因数の和:32490

約数の個数: 20

約数和(自身を含む): 1817512880

約数和(自身を除く): 337495663

約数列:

[1, 7, 19, 49, 133, 343, 931, 2401, 6517, 32443, 45619, 227101, 616417, 1589707, 4314919, 11127949, 30204433, 77895643, 211431031, 1480017217]

約数ペア:

[(1, 1480017217), (7, 211431031), (19, 77895643), (49, 30204433), (133, 11127949), (343, 4314919), (931, 1589707), (2401, 616417), (6517, 227101), (32443, 45619)]