16356555

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 29652480

約数和(自身を除く): 13295925

約数列:

[1, 3, 5, 9, 15, 43, 45, 79, 107, 129, 215, 237, 321, 387, 395, 535, 645, 711, 963, 1185, 1605, 1935, 3397, 3555, 4601, 4815, 8453, 10191, 13803, 16985, 23005, 25359, 30573, 41409, 42265, 50955, 69015, 76077, 126795, 152865, 207045, 363479, 380385, 1090437, 1817395, 3271311, 5452185, 16356555]

約数ペア:

[(1, 16356555), (3, 5452185), (5, 3271311), (9, 1817395), (15, 1090437), (43, 380385), (45, 363479), (79, 207045), (107, 152865), (129, 126795), (215, 76077), (237, 69015), (321, 50955), (387, 42265), (395, 41409), (535, 30573), (645, 25359), (711, 23005), (963, 16985), (1185, 13803), (1605, 10191), (1935, 8453), (3397, 4815), (3555, 4601)]