80261307

素因数分解:

$3^3\times 7^1\times {\mathrm{631}}^1\times {\mathrm{673}}^1$

素因数の和:1320

約数の個数: 32

約数和(自身を含む): 136309760

約数和(自身を除く): 56048453

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 631, 673, 1893, 2019, 4417, 4711, 5679, 6057, 13251, 14133, 17037, 18171, 39753, 42399, 119259, 127197, 424663, 1273989, 2972641, 3821967, 8917923, 11465901, 26753769, 80261307]

約数ペア:

[(1, 80261307), (3, 26753769), (7, 11465901), (9, 8917923), (21, 3821967), (27, 2972641), (63, 1273989), (189, 424663), (631, 127197), (673, 119259), (1893, 42399), (2019, 39753), (4417, 18171), (4711, 17037), (5679, 14133), (6057, 13251)]