201801885

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{15809}}^1$

素因数の和:15877

約数の個数: 32

約数和(自身を含む): 346049280

約数和(自身を除く): 144247395

約数列:

[1, 3, 5, 15, 23, 37, 69, 111, 115, 185, 345, 555, 851, 2553, 4255, 12765, 15809, 47427, 79045, 237135, 363607, 584933, 1090821, 1754799, 1818035, 2924665, 5454105, 8773995, 13453459, 40360377, 67267295, 201801885]

約数ペア:

[(1, 201801885), (3, 67267295), (5, 40360377), (15, 13453459), (23, 8773995), (37, 5454105), (69, 2924665), (111, 1818035), (115, 1754799), (185, 1090821), (345, 584933), (555, 363607), (851, 237135), (2553, 79045), (4255, 47427), (12765, 15809)]