30881265

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{349}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 52617600

約数和(自身を除く): 21736335

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 347, 349, 1041, 1047, 1735, 1745, 5205, 5235, 5899, 5933, 17697, 17799, 29495, 29665, 88485, 88995, 121103, 363309, 605515, 1816545, 2058751, 6176253, 10293755, 30881265]

約数ペア:

[(1, 30881265), (3, 10293755), (5, 6176253), (15, 2058751), (17, 1816545), (51, 605515), (85, 363309), (255, 121103), (347, 88995), (349, 88485), (1041, 29665), (1047, 29495), (1735, 17799), (1745, 17697), (5205, 5933), (5235, 5899)]