261544275

素因数分解:

$3^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{9011}}^1$

素因数の和:9073

約数の個数: 48

約数和(自身を含む): 491694720

約数和(自身を除く): 230150445

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 129, 135, 215, 225, 387, 645, 675, 1075, 1161, 1935, 3225, 5805, 9011, 9675, 27033, 29025, 45055, 81099, 135165, 225275, 243297, 387473, 405495, 675825, 1162419, 1216485, 1937365, 2027475, 3487257, 5812095, 6082425, 9686825, 10461771, 17436285, 29060475, 52308855, 87181425, 261544275]

約数ペア:

[(1, 261544275), (3, 87181425), (5, 52308855), (9, 29060475), (15, 17436285), (25, 10461771), (27, 9686825), (43, 6082425), (45, 5812095), (75, 3487257), (129, 2027475), (135, 1937365), (215, 1216485), (225, 1162419), (387, 675825), (645, 405495), (675, 387473), (1075, 243297), (1161, 225275), (1935, 135165), (3225, 81099), (5805, 45055), (9011, 29025), (9675, 27033)]