16156161

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 28454400

約数和(自身を除く): 12298239

約数列:

[1, 3, 7, 9, 21, 29, 37, 63, 87, 111, 203, 239, 259, 261, 333, 609, 717, 777, 1073, 1673, 1827, 2151, 2331, 3219, 5019, 6931, 7511, 8843, 9657, 15057, 20793, 22533, 26529, 48517, 61901, 62379, 67599, 79587, 145551, 185703, 256447, 436653, 557109, 769341, 1795129, 2308023, 5385387, 16156161]

約数ペア:

[(1, 16156161), (3, 5385387), (7, 2308023), (9, 1795129), (21, 769341), (29, 557109), (37, 436653), (63, 256447), (87, 185703), (111, 145551), (203, 79587), (239, 67599), (259, 62379), (261, 61901), (333, 48517), (609, 26529), (717, 22533), (777, 20793), (1073, 15057), (1673, 9657), (1827, 8843), (2151, 7511), (2331, 6931), (3219, 5019)]