3896991

素因数分解:

$3^5\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 6988800

約数和(自身を除く): 3091809

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 79, 81, 87, 189, 203, 237, 243, 261, 553, 567, 609, 711, 783, 1659, 1701, 1827, 2133, 2291, 2349, 4977, 5481, 6399, 6873, 7047, 14931, 16037, 16443, 19197, 20619, 44793, 48111, 49329, 61857, 134379, 144333, 185571, 432999, 556713, 1298997, 3896991]

約数ペア:

[(1, 3896991), (3, 1298997), (7, 556713), (9, 432999), (21, 185571), (27, 144333), (29, 134379), (63, 61857), (79, 49329), (81, 48111), (87, 44793), (189, 20619), (203, 19197), (237, 16443), (243, 16037), (261, 14931), (553, 7047), (567, 6873), (609, 6399), (711, 5481), (783, 4977), (1659, 2349), (1701, 2291), (1827, 2133)]