25989075

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{569}}^1$

素因数の和:621

約数の個数: 72

約数和(自身を含む): 55130400

約数和(自身を除く): 29141325

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 29, 35, 45, 63, 75, 87, 105, 145, 175, 203, 225, 261, 315, 435, 525, 569, 609, 725, 1015, 1305, 1575, 1707, 1827, 2175, 2845, 3045, 3983, 5075, 5121, 6525, 8535, 9135, 11949, 14225, 15225, 16501, 19915, 25605, 35847, 42675, 45675, 49503, 59745, 82505, 99575, 115507, 128025, 148509, 179235, 247515, 298725, 346521, 412525, 577535, 742545, 896175, 1039563, 1237575, 1732605, 2887675, 3712725, 5197815, 8663025, 25989075]

約数ペア:

[(1, 25989075), (3, 8663025), (5, 5197815), (7, 3712725), (9, 2887675), (15, 1732605), (21, 1237575), (25, 1039563), (29, 896175), (35, 742545), (45, 577535), (63, 412525), (75, 346521), (87, 298725), (105, 247515), (145, 179235), (175, 148509), (203, 128025), (225, 115507), (261, 99575), (315, 82505), (435, 59745), (525, 49503), (569, 45675), (609, 42675), (725, 35847), (1015, 25605), (1305, 19915), (1575, 16501), (1707, 15225), (1827, 14225), (2175, 11949), (2845, 9135), (3045, 8535), (3983, 6525), (5075, 5121)]