81299355

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{1511}}^1$

素因数の和:1747

約数の個数: 32

約数和(自身を含む): 138475008

約数和(自身を除く): 57175653

約数列:

[1, 3, 5, 15, 17, 51, 85, 211, 255, 633, 1055, 1511, 3165, 3587, 4533, 7555, 10761, 17935, 22665, 25687, 53805, 77061, 128435, 318821, 385305, 956463, 1594105, 4782315, 5419957, 16259871, 27099785, 81299355]

約数ペア:

[(1, 81299355), (3, 27099785), (5, 16259871), (15, 5419957), (17, 4782315), (51, 1594105), (85, 956463), (211, 385305), (255, 318821), (633, 128435), (1055, 77061), (1511, 53805), (3165, 25687), (3587, 22665), (4533, 17935), (7555, 10761)]