25163475

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 43806720

約数和(自身を除く): 18643245

約数列:

[1, 3, 5, 15, 25, 31, 75, 79, 93, 137, 155, 237, 395, 411, 465, 685, 775, 1185, 1975, 2055, 2325, 2449, 3425, 4247, 5925, 7347, 10275, 10823, 12245, 12741, 21235, 32469, 36735, 54115, 61225, 63705, 106175, 162345, 183675, 270575, 318525, 335513, 811725, 1006539, 1677565, 5032695, 8387825, 25163475]

約数ペア:

[(1, 25163475), (3, 8387825), (5, 5032695), (15, 1677565), (25, 1006539), (31, 811725), (75, 335513), (79, 318525), (93, 270575), (137, 183675), (155, 162345), (237, 106175), (395, 63705), (411, 61225), (465, 54115), (685, 36735), (775, 32469), (1185, 21235), (1975, 12741), (2055, 12245), (2325, 10823), (2449, 10275), (3425, 7347), (4247, 5925)]