678581025

素因数分解:

$3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{1627}}^1$

素因数の和:1790

約数の個数: 48

約数和(自身を含む): 1153092864

約数和(自身を除く): 474511839

約数列:

[1, 3, 5, 15, 25, 67, 75, 83, 201, 249, 335, 415, 1005, 1245, 1627, 1675, 2075, 4881, 5025, 5561, 6225, 8135, 16683, 24405, 27805, 40675, 83415, 109009, 122025, 135041, 139025, 327027, 405123, 417075, 545045, 675205, 1635135, 2025615, 2725225, 3376025, 8175675, 9047747, 10128075, 27143241, 45238735, 135716205, 226193675, 678581025]

約数ペア:

[(1, 678581025), (3, 226193675), (5, 135716205), (15, 45238735), (25, 27143241), (67, 10128075), (75, 9047747), (83, 8175675), (201, 3376025), (249, 2725225), (335, 2025615), (415, 1635135), (1005, 675205), (1245, 545045), (1627, 417075), (1675, 405123), (2075, 327027), (4881, 139025), (5025, 135041), (5561, 122025), (6225, 109009), (8135, 83415), (16683, 40675), (24405, 27805)]