201680775

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{52727}}^1$

素因数の和:52760

約数の個数: 36

約数和(自身を含む): 382488912

約数和(自身を除く): 180808137

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 765, 1275, 3825, 52727, 158181, 263635, 474543, 790905, 896359, 1318175, 2372715, 2689077, 3954525, 4481795, 8067231, 11863575, 13445385, 22408975, 40336155, 67226925, 201680775]

約数ペア:

[(1, 201680775), (3, 67226925), (5, 40336155), (9, 22408975), (15, 13445385), (17, 11863575), (25, 8067231), (45, 4481795), (51, 3954525), (75, 2689077), (85, 2372715), (153, 1318175), (225, 896359), (255, 790905), (425, 474543), (765, 263635), (1275, 158181), (3825, 52727)]