42723423

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:444

約数の個数: 32

約数和(自身を含む): 65387520

約数和(自身を除く): 22664097

約数列:

[1, 3, 9, 27, 47, 131, 141, 257, 393, 423, 771, 1179, 1269, 2313, 3537, 6157, 6939, 12079, 18471, 33667, 36237, 55413, 101001, 108711, 166239, 303003, 326133, 909009, 1582349, 4747047, 14241141, 42723423]

約数ペア:

[(1, 42723423), (3, 14241141), (9, 4747047), (27, 1582349), (47, 909009), (131, 326133), (141, 303003), (257, 166239), (393, 108711), (423, 101001), (771, 55413), (1179, 36237), (1269, 33667), (2313, 18471), (3537, 12079), (6157, 6939)]