199438515

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103069}}^1$

素因数の和:103123

約数の個数: 24

約数和(自身を含む): 353736240

約数和(自身を除く): 154297725

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 103069, 309207, 515345, 927621, 1546035, 4431967, 4638105, 13295901, 22159835, 39887703, 66479505, 199438515]

約数ペア:

[(1, 199438515), (3, 66479505), (5, 39887703), (9, 22159835), (15, 13295901), (43, 4638105), (45, 4431967), (129, 1546035), (215, 927621), (387, 515345), (645, 309207), (1935, 103069)]