208617.00000000

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{443}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 33758208

約数和(自身を除く): 13736823

約数列:

[1, 3, 5, 15, 23, 69, 115, 131, 345, 393, 443, 655, 1329, 1965, 2215, 3013, 6645, 9039, 10189, 15065, 30567, 45195, 50945, 58033, 152835, 174099, 290165, 870495, 1334759, 4004277, 6673795, 20021385]

約数ペア:

[(1, 20021385), (3, 6673795), (5, 4004277), (15, 1334759), (23, 870495), (69, 290165), (115, 174099), (131, 152835), (345, 58033), (393, 50945), (443, 45195), (655, 30567), (1329, 15065), (1965, 10189), (2215, 9039), (3013, 6645)]