42668289

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{619}}^1$

素因数の和:691

約数の個数: 40

約数和(自身を含む): 68418240

約数和(自身を除く): 25749951

約数列:

[1, 3, 9, 23, 27, 37, 69, 81, 111, 207, 333, 619, 621, 851, 999, 1857, 1863, 2553, 2997, 5571, 7659, 14237, 16713, 22903, 22977, 42711, 50139, 68709, 68931, 128133, 206127, 384399, 526769, 618381, 1153197, 1580307, 1855143, 4740921, 14222763, 42668289]

約数ペア:

[(1, 42668289), (3, 14222763), (9, 4740921), (23, 1855143), (27, 1580307), (37, 1153197), (69, 618381), (81, 526769), (111, 384399), (207, 206127), (333, 128133), (619, 68931), (621, 68709), (851, 50139), (999, 42711), (1857, 22977), (1863, 22903), (2553, 16713), (2997, 14237), (5571, 7659)]