205961475

素因数分解:

$3^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{20963}}^1$

素因数の和:21107

約数の個数: 24

約数和(自身を含む): 343138752

約数和(自身を除く): 137177277

約数列:

[1, 3, 5, 15, 25, 75, 131, 393, 655, 1965, 3275, 9825, 20963, 62889, 104815, 314445, 524075, 1572225, 2746153, 8238459, 13730765, 41192295, 68653825, 205961475]

約数ペア:

[(1, 205961475), (3, 68653825), (5, 41192295), (15, 13730765), (25, 8238459), (75, 2746153), (131, 1572225), (393, 524075), (655, 314445), (1965, 104815), (3275, 62889), (9825, 20963)]