81777087

素因数分解:

$3^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{5477}}^1$

素因数の和:5572

約数の個数: 32

約数和(自身を含む): 140236800

約数和(自身を除く): 58459713

約数列:

[1, 3, 7, 9, 21, 27, 63, 79, 189, 237, 553, 711, 1659, 2133, 4977, 5477, 14931, 16431, 38339, 49293, 115017, 147879, 345051, 432683, 1035153, 1298049, 3028781, 3894147, 9086343, 11682441, 27259029, 81777087]

約数ペア:

[(1, 81777087), (3, 27259029), (7, 11682441), (9, 9086343), (21, 3894147), (27, 3028781), (63, 1298049), (79, 1035153), (189, 432683), (237, 345051), (553, 147879), (711, 115017), (1659, 49293), (2133, 38339), (4977, 16431), (5477, 14931)]