25780275

素因数分解:

$3^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{439}}^1$

素因数の和:490

約数の個数: 60

約数和(自身を含む): 49513200

約数和(自身を除く): 23732925

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 81, 87, 135, 145, 225, 261, 405, 435, 439, 675, 725, 783, 1305, 1317, 2025, 2175, 2195, 2349, 3915, 3951, 6525, 6585, 10975, 11745, 11853, 12731, 19575, 19755, 32925, 35559, 38193, 58725, 59265, 63655, 98775, 114579, 177795, 190965, 296325, 318275, 343737, 572895, 888975, 954825, 1031211, 1718685, 2864475, 5156055, 8593425, 25780275]

約数ペア:

[(1, 25780275), (3, 8593425), (5, 5156055), (9, 2864475), (15, 1718685), (25, 1031211), (27, 954825), (29, 888975), (45, 572895), (75, 343737), (81, 318275), (87, 296325), (135, 190965), (145, 177795), (225, 114579), (261, 98775), (405, 63655), (435, 59265), (439, 58725), (675, 38193), (725, 35559), (783, 32925), (1305, 19755), (1317, 19575), (2025, 12731), (2175, 11853), (2195, 11745), (2349, 10975), (3915, 6585), (3951, 6525)]