90428355

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2749}}^1$

素因数の和:2820

約数の個数: 48

約数和(自身を含む): 169884000

約数和(自身を除く): 79455645

約数列:

[1, 3, 5, 9, 15, 17, 43, 45, 51, 85, 129, 153, 215, 255, 387, 645, 731, 765, 1935, 2193, 2749, 3655, 6579, 8247, 10965, 13745, 24741, 32895, 41235, 46733, 118207, 123705, 140199, 233665, 354621, 420597, 591035, 700995, 1063863, 1773105, 2009519, 2102985, 5319315, 6028557, 10047595, 18085671, 30142785, 90428355]

約数ペア:

[(1, 90428355), (3, 30142785), (5, 18085671), (9, 10047595), (15, 6028557), (17, 5319315), (43, 2102985), (45, 2009519), (51, 1773105), (85, 1063863), (129, 700995), (153, 591035), (215, 420597), (255, 354621), (387, 233665), (645, 140199), (731, 123705), (765, 118207), (1935, 46733), (2193, 41235), (2749, 32895), (3655, 24741), (6579, 13745), (8247, 10965)]