7618125

素因数分解:

$3^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:279

約数の個数: 40

約数和(自身を含む): 13495680

約数和(自身を除く): 5877555

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 239, 255, 375, 425, 625, 717, 1195, 1275, 1875, 2125, 3585, 4063, 5975, 6375, 10625, 12189, 17925, 20315, 29875, 31875, 60945, 89625, 101575, 149375, 304725, 448125, 507875, 1523625, 2539375, 7618125]

約数ペア:

[(1, 7618125), (3, 2539375), (5, 1523625), (15, 507875), (17, 448125), (25, 304725), (51, 149375), (75, 101575), (85, 89625), (125, 60945), (239, 31875), (255, 29875), (375, 20315), (425, 17925), (625, 12189), (717, 10625), (1195, 6375), (1275, 5975), (1875, 4063), (2125, 3585)]