71987223

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{44519}}^1$

素因数の和:44547

約数の個数: 24

約数和(自身を含む): 121806720

約数和(自身を除く): 49819497

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 44519, 133557, 311633, 489709, 934899, 1469127, 2181431, 3427963, 6544293, 10283889, 23995741, 71987223]

約数ペア:

[(1, 71987223), (3, 23995741), (7, 10283889), (11, 6544293), (21, 3427963), (33, 2181431), (49, 1469127), (77, 934899), (147, 489709), (231, 311633), (539, 133557), (1617, 44519)]