25435575

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:309

約数の個数: 72

約数和(自身を含む): 51068160

約数和(自身を除く): 25632585

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 43, 45, 55, 75, 99, 129, 165, 215, 225, 239, 275, 387, 473, 495, 645, 717, 825, 1075, 1195, 1419, 1935, 2151, 2365, 2475, 2629, 3225, 3585, 4257, 5975, 7095, 7887, 9675, 10277, 10755, 11825, 13145, 17925, 21285, 23661, 30831, 35475, 39435, 51385, 53775, 65725, 92493, 106425, 113047, 118305, 154155, 197175, 256925, 339141, 462465, 565235, 591525, 770775, 1017423, 1695705, 2312325, 2826175, 5087115, 8478525, 25435575]

約数ペア:

[(1, 25435575), (3, 8478525), (5, 5087115), (9, 2826175), (11, 2312325), (15, 1695705), (25, 1017423), (33, 770775), (43, 591525), (45, 565235), (55, 462465), (75, 339141), (99, 256925), (129, 197175), (165, 154155), (215, 118305), (225, 113047), (239, 106425), (275, 92493), (387, 65725), (473, 53775), (495, 51385), (645, 39435), (717, 35475), (825, 30831), (1075, 23661), (1195, 21285), (1419, 17925), (1935, 13145), (2151, 11825), (2365, 10755), (2475, 10277), (2629, 9675), (3225, 7887), (3585, 7095), (4257, 5975)]