81691203

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1153}}^1$

素因数の和:1299

約数の個数: 32

約数和(自身を含む): 126293760

約数和(自身を除く): 44602557

約数列:

[1, 3, 11, 19, 33, 57, 113, 209, 339, 627, 1153, 1243, 2147, 3459, 3729, 6441, 12683, 21907, 23617, 38049, 65721, 70851, 130289, 240977, 390867, 722931, 1433179, 2475491, 4299537, 7426473, 27230401, 81691203]

約数ペア:

[(1, 81691203), (3, 27230401), (11, 7426473), (19, 4299537), (33, 2475491), (57, 1433179), (113, 722931), (209, 390867), (339, 240977), (627, 130289), (1153, 70851), (1243, 65721), (2147, 38049), (3459, 23617), (3729, 21907), (6441, 12683)]