28549755

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1319}}^1$

素因数の和:1380

約数の個数: 48

約数和(自身を含む): 54774720

約数和(自身を除く): 26224965

約数列:

[1, 3, 5, 9, 13, 15, 37, 39, 45, 65, 111, 117, 185, 195, 333, 481, 555, 585, 1319, 1443, 1665, 2405, 3957, 4329, 6595, 7215, 11871, 17147, 19785, 21645, 48803, 51441, 59355, 85735, 146409, 154323, 244015, 257205, 439227, 634439, 732045, 771615, 1903317, 2196135, 3172195, 5709951, 9516585, 28549755]

約数ペア:

[(1, 28549755), (3, 9516585), (5, 5709951), (9, 3172195), (13, 2196135), (15, 1903317), (37, 771615), (39, 732045), (45, 634439), (65, 439227), (111, 257205), (117, 244015), (185, 154323), (195, 146409), (333, 85735), (481, 59355), (555, 51441), (585, 48803), (1319, 21645), (1443, 19785), (1665, 17147), (2405, 11871), (3957, 7215), (4329, 6595)]