1820205

素因数分解:

$3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:250

約数の個数: 32

約数和(自身を含む): 3292800

約数和(自身を除く): 1472595

約数列:

[1, 3, 5, 9, 15, 27, 45, 97, 135, 139, 291, 417, 485, 695, 873, 1251, 1455, 2085, 2619, 3753, 4365, 6255, 13095, 13483, 18765, 40449, 67415, 121347, 202245, 364041, 606735, 1820205]

約数ペア:

[(1, 1820205), (3, 606735), (5, 364041), (9, 202245), (15, 121347), (27, 67415), (45, 40449), (97, 18765), (135, 13483), (139, 13095), (291, 6255), (417, 4365), (485, 3753), (695, 2619), (873, 2085), (1251, 1455)]