208088415

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{272011}}^1$

素因数の和:272039

約数の個数: 24

約数和(自身を含む): 381904848

約数和(自身を除く): 173816433

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 272011, 816033, 1360055, 2448099, 4080165, 4624187, 12240495, 13872561, 23120935, 41617683, 69362805, 208088415]

約数ペア:

[(1, 208088415), (3, 69362805), (5, 41617683), (9, 23120935), (15, 13872561), (17, 12240495), (45, 4624187), (51, 4080165), (85, 2448099), (153, 1360055), (255, 816033), (765, 272011)]