25920675

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{3491}}^1$

素因数の和:3521

約数の個数: 48

約数和(自身を含む): 51960960

約数和(自身を除く): 26040285

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 99, 135, 165, 225, 275, 297, 495, 675, 825, 1485, 2475, 3491, 7425, 10473, 17455, 31419, 38401, 52365, 87275, 94257, 115203, 157095, 192005, 261825, 345609, 471285, 576015, 785475, 960025, 1036827, 1728045, 2356425, 2880075, 5184135, 8640225, 25920675]

約数ペア:

[(1, 25920675), (3, 8640225), (5, 5184135), (9, 2880075), (11, 2356425), (15, 1728045), (25, 1036827), (27, 960025), (33, 785475), (45, 576015), (55, 471285), (75, 345609), (99, 261825), (135, 192005), (165, 157095), (225, 115203), (275, 94257), (297, 87275), (495, 52365), (675, 38401), (825, 31419), (1485, 17455), (2475, 10473), (3491, 7425)]