745219665

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{720019}}^1$

素因数の和:720053

約数の個数: 24

約数和(自身を含む): 1347877440

約数和(自身を除く): 602657775

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 720019, 2160057, 3600095, 6480171, 10800285, 16560437, 32400855, 49681311, 82802185, 149043933, 248406555, 745219665]

約数ペア:

[(1, 745219665), (3, 248406555), (5, 149043933), (9, 82802185), (15, 49681311), (23, 32400855), (45, 16560437), (69, 10800285), (115, 6480171), (207, 3600095), (345, 2160057), (1035, 720019)]