7681875

素因数分解:

$3^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{241}}^1$

素因数の和:281

約数の個数: 40

約数和(自身を含む): 13608144

約数和(自身を除く): 5926269

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 241, 255, 375, 425, 625, 723, 1205, 1275, 1875, 2125, 3615, 4097, 6025, 6375, 10625, 12291, 18075, 20485, 30125, 31875, 61455, 90375, 102425, 150625, 307275, 451875, 512125, 1536375, 2560625, 7681875]

約数ペア:

[(1, 7681875), (3, 2560625), (5, 1536375), (15, 512125), (17, 451875), (25, 307275), (51, 150625), (75, 102425), (85, 90375), (125, 61455), (241, 31875), (255, 30125), (375, 20485), (425, 18075), (625, 12291), (723, 10625), (1205, 6375), (1275, 6025), (1875, 4097), (2125, 3615)]