198774795

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{10979}}^1$

素因数の和:11075

約数の個数: 32

約数和(自身を含む): 341521920

約数和(自身を除く): 142747125

約数列:

[1, 3, 5, 15, 17, 51, 71, 85, 213, 255, 355, 1065, 1207, 3621, 6035, 10979, 18105, 32937, 54895, 164685, 186643, 559929, 779509, 933215, 2338527, 2799645, 3897545, 11692635, 13251653, 39754959, 66258265, 198774795]

約数ペア:

[(1, 198774795), (3, 66258265), (5, 39754959), (15, 13251653), (17, 11692635), (51, 3897545), (71, 2799645), (85, 2338527), (213, 933215), (255, 779509), (355, 559929), (1065, 186643), (1207, 164685), (3621, 54895), (6035, 32937), (10979, 18105)]