31283247

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:519

約数の個数: 32

約数和(自身を含む): 46669824

約数和(自身を除く): 15386577

約数列:

[1, 3, 17, 31, 47, 51, 93, 141, 421, 527, 799, 1263, 1457, 1581, 2397, 4371, 7157, 13051, 19787, 21471, 24769, 39153, 59361, 74307, 221867, 336379, 613397, 665601, 1009137, 1840191, 10427749, 31283247]

約数ペア:

[(1, 31283247), (3, 10427749), (17, 1840191), (31, 1009137), (47, 665601), (51, 613397), (93, 336379), (141, 221867), (421, 74307), (527, 59361), (799, 39153), (1263, 24769), (1457, 21471), (1581, 19787), (2397, 13051), (4371, 7157)]