81649161

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{653}}^1$

素因数の和:1094

約数の個数: 32

約数和(自身を含む): 132474240

約数和(自身を除く): 50825079

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 421, 653, 1263, 1959, 3789, 4631, 5877, 7183, 11367, 13893, 17631, 21549, 41679, 64647, 125037, 193941, 274913, 824739, 2474217, 3024043, 7422651, 9072129, 27216387, 81649161]

約数ペア:

[(1, 81649161), (3, 27216387), (9, 9072129), (11, 7422651), (27, 3024043), (33, 2474217), (99, 824739), (297, 274913), (421, 193941), (653, 125037), (1263, 64647), (1959, 41679), (3789, 21549), (4631, 17631), (5877, 13893), (7183, 11367)]