1281375

素因数分解:

$3^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:105

約数の個数: 48

約数和(自身を含む): 2482272

約数和(自身を除く): 1200897

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 67, 75, 85, 125, 153, 201, 225, 255, 335, 375, 425, 603, 765, 1005, 1125, 1139, 1275, 1675, 2125, 3015, 3417, 3825, 5025, 5695, 6375, 8375, 10251, 15075, 17085, 19125, 25125, 28475, 51255, 75375, 85425, 142375, 256275, 427125, 1281375]

約数ペア:

[(1, 1281375), (3, 427125), (5, 256275), (9, 142375), (15, 85425), (17, 75375), (25, 51255), (45, 28475), (51, 25125), (67, 19125), (75, 17085), (85, 15075), (125, 10251), (153, 8375), (201, 6375), (225, 5695), (255, 5025), (335, 3825), (375, 3417), (425, 3015), (603, 2125), (765, 1675), (1005, 1275), (1125, 1139)]