81961649

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{463}}^1$

素因数の和:522

約数の個数: 32

約数和(自身を含む): 108687360

約数和(自身を除く): 26725711

約数列:

[1, 7, 11, 19, 77, 121, 133, 209, 463, 847, 1331, 1463, 2299, 3241, 5093, 8797, 9317, 16093, 25289, 35651, 56023, 61579, 96767, 177023, 392161, 616253, 677369, 1064437, 4313771, 7451059, 11708807, 81961649]

約数ペア:

[(1, 81961649), (7, 11708807), (11, 7451059), (19, 4313771), (77, 1064437), (121, 677369), (133, 616253), (209, 392161), (463, 177023), (847, 96767), (1331, 61579), (1463, 56023), (2299, 35651), (3241, 25289), (5093, 16093), (8797, 9317)]