81721737

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{7741}}^1$

素因数の和:7790

約数の個数: 32

約数和(自身を含む): 133781760

約数和(自身を除く): 52060023

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 153, 207, 391, 459, 621, 1173, 3519, 7741, 10557, 23223, 69669, 131597, 178043, 209007, 394791, 534129, 1184373, 1602387, 3026731, 3553119, 4807161, 9080193, 27240579, 81721737]

約数ペア:

[(1, 81721737), (3, 27240579), (9, 9080193), (17, 4807161), (23, 3553119), (27, 3026731), (51, 1602387), (69, 1184373), (153, 534129), (207, 394791), (391, 209007), (459, 178043), (621, 131597), (1173, 69669), (3519, 23223), (7741, 10557)]