13720527

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:188

約数の個数: 36

約数和(自身を含む): 21634704

約数和(自身を除く): 7914177

約数列:

[1, 3, 9, 19, 41, 57, 103, 123, 171, 309, 361, 369, 779, 927, 1083, 1957, 2337, 3249, 4223, 5871, 7011, 12669, 14801, 17613, 37183, 38007, 44403, 80237, 111549, 133209, 240711, 334647, 722133, 1524503, 4573509, 13720527]

約数ペア:

[(1, 13720527), (3, 4573509), (9, 1524503), (19, 722133), (41, 334647), (57, 240711), (103, 133209), (123, 111549), (171, 80237), (309, 44403), (361, 38007), (369, 37183), (779, 17613), (927, 14801), (1083, 12669), (1957, 7011), (2337, 5871), (3249, 4223)]