822375

素因数分解:

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

素因数の和:81

約数の個数: 48

約数和(自身を含む): 1606176

約数和(自身を除く): 783801

約数列:

[1, 3, 5, 9, 15, 17, 25, 43, 45, 51, 75, 85, 125, 129, 153, 215, 225, 255, 375, 387, 425, 645, 731, 765, 1075, 1125, 1275, 1935, 2125, 2193, 3225, 3655, 3825, 5375, 6375, 6579, 9675, 10965, 16125, 18275, 19125, 32895, 48375, 54825, 91375, 164475, 274125, 822375]

約数ペア:

[(1, 822375), (3, 274125), (5, 164475), (9, 91375), (15, 54825), (17, 48375), (25, 32895), (43, 19125), (45, 18275), (51, 16125), (75, 10965), (85, 9675), (125, 6579), (129, 6375), (153, 5375), (215, 3825), (225, 3655), (255, 3225), (375, 2193), (387, 2125), (425, 1935), (645, 1275), (731, 1125), (765, 1075)]