72006921

素因数分解:

$3^3\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1471}}^1$

素因数の和:1531

約数の個数: 48

約数和(自身を含む): 127534080

約数和(自身を除く): 55527159

約数列:

[1, 3, 7, 9, 21, 27, 37, 49, 63, 111, 147, 189, 259, 333, 441, 777, 999, 1323, 1471, 1813, 2331, 4413, 5439, 6993, 10297, 13239, 16317, 30891, 39717, 48951, 54427, 72079, 92673, 163281, 216237, 278019, 380989, 489843, 648711, 1142967, 1469529, 1946133, 2666923, 3428901, 8000769, 10286703, 24002307, 72006921]

約数ペア:

[(1, 72006921), (3, 24002307), (7, 10286703), (9, 8000769), (21, 3428901), (27, 2666923), (37, 1946133), (49, 1469529), (63, 1142967), (111, 648711), (147, 489843), (189, 380989), (259, 278019), (333, 216237), (441, 163281), (777, 92673), (999, 72079), (1323, 54427), (1471, 48951), (1813, 39717), (2331, 30891), (4413, 16317), (5439, 13239), (6993, 10297)]