7851375

素因数分解:

$3^2\times 5^3\times 7^1\times {\mathrm{997}}^1$

素因数の和:1025

約数の個数: 48

約数和(自身を含む): 16191552

約数和(自身を除く): 8340177

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 125, 175, 225, 315, 375, 525, 875, 997, 1125, 1575, 2625, 2991, 4985, 6979, 7875, 8973, 14955, 20937, 24925, 34895, 44865, 62811, 74775, 104685, 124625, 174475, 224325, 314055, 373875, 523425, 872375, 1121625, 1570275, 2617125, 7851375]

約数ペア:

[(1, 7851375), (3, 2617125), (5, 1570275), (7, 1121625), (9, 872375), (15, 523425), (21, 373875), (25, 314055), (35, 224325), (45, 174475), (63, 124625), (75, 104685), (105, 74775), (125, 62811), (175, 44865), (225, 34895), (315, 24925), (375, 20937), (525, 14955), (875, 8973), (997, 7875), (1125, 6979), (1575, 4985), (2625, 2991)]