31417479

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:344

約数の個数: 36

約数和(自身を含む): 49424544

約数和(自身を除く): 18007065

約数列:

[1, 3, 9, 17, 47, 51, 141, 153, 257, 289, 423, 771, 799, 867, 2313, 2397, 2601, 4369, 7191, 12079, 13107, 13583, 36237, 39321, 40749, 74273, 108711, 122247, 205343, 222819, 616029, 668457, 1848087, 3490831, 10472493, 31417479]

約数ペア:

[(1, 31417479), (3, 10472493), (9, 3490831), (17, 1848087), (47, 668457), (51, 616029), (141, 222819), (153, 205343), (257, 122247), (289, 108711), (423, 74273), (771, 40749), (799, 39321), (867, 36237), (2313, 13583), (2397, 13107), (2601, 12079), (4369, 7191)]