202130721

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10103}}^1$

素因数の和:10147

約数の個数: 40

約数和(自身を含む): 342323520

約数和(自身を除く): 140192799

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 171, 247, 351, 513, 741, 1053, 1539, 2223, 6669, 10103, 20007, 30309, 90927, 131339, 191957, 272781, 394017, 575871, 818343, 1182051, 1727613, 2495441, 3546153, 5182839, 7486323, 10638459, 15548517, 22458969, 67376907, 202130721]

約数ペア:

[(1, 202130721), (3, 67376907), (9, 22458969), (13, 15548517), (19, 10638459), (27, 7486323), (39, 5182839), (57, 3546153), (81, 2495441), (117, 1727613), (171, 1182051), (247, 818343), (351, 575871), (513, 394017), (741, 272781), (1053, 191957), (1539, 131339), (2223, 90927), (6669, 30309), (10103, 20007)]