79999965

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{21419}}^1$

素因数の和:21513

約数の個数: 24

約数和(自身を含む): 140343840

約数和(自身を除く): 60343875

約数列:

[1, 3, 5, 9, 15, 45, 83, 249, 415, 747, 1245, 3735, 21419, 64257, 107095, 192771, 321285, 963855, 1777777, 5333331, 8888885, 15999993, 26666655, 79999965]

約数ペア:

[(1, 79999965), (3, 26666655), (5, 15999993), (9, 8888885), (15, 5333331), (45, 1777777), (83, 963855), (249, 321285), (415, 192771), (747, 107095), (1245, 64257), (3735, 21419)]