72719985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{10079}}^1$

素因数の和:10137

約数の個数: 32

約数和(自身を含む): 128701440

約数和(自身を除く): 55981455

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 481, 555, 1443, 2405, 7215, 10079, 30237, 50395, 131027, 151185, 372923, 393081, 655135, 1118769, 1864615, 1965405, 4847999, 5593845, 14543997, 24239995, 72719985]

約数ペア:

[(1, 72719985), (3, 24239995), (5, 14543997), (13, 5593845), (15, 4847999), (37, 1965405), (39, 1864615), (65, 1118769), (111, 655135), (185, 393081), (195, 372923), (481, 151185), (555, 131027), (1443, 50395), (2405, 30237), (7215, 10079)]