208300905

素因数分解:

$3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{23497}}^1$

素因数の和:23705

約数の個数: 24

約数和(自身を含む): 362903112

約数和(自身を除く): 154602207

約数列:

[1, 3, 5, 9, 15, 45, 197, 591, 985, 1773, 2955, 8865, 23497, 70491, 117485, 211473, 352455, 1057365, 4628909, 13886727, 23144545, 41660181, 69433635, 208300905]

約数ペア:

[(1, 208300905), (3, 69433635), (5, 41660181), (9, 23144545), (15, 13886727), (45, 4628909), (197, 1057365), (591, 352455), (985, 211473), (1773, 117485), (2955, 70491), (8865, 23497)]