64068921

素因数分解:

$3^3\times 7^2\times {\mathrm{79}}^1\times {\mathrm{613}}^1$

素因数の和:715

約数の個数: 48

約数和(自身を含む): 111993600

約数和(自身を除く): 47924679

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 79, 147, 189, 237, 441, 553, 613, 711, 1323, 1659, 1839, 2133, 3871, 4291, 4977, 5517, 11613, 12873, 14931, 16551, 30037, 34839, 38619, 48427, 90111, 104517, 115857, 145281, 270333, 338989, 435843, 810999, 1016967, 1307529, 2372923, 3050901, 7118769, 9152703, 21356307, 64068921]

約数ペア:

[(1, 64068921), (3, 21356307), (7, 9152703), (9, 7118769), (21, 3050901), (27, 2372923), (49, 1307529), (63, 1016967), (79, 810999), (147, 435843), (189, 338989), (237, 270333), (441, 145281), (553, 115857), (613, 104517), (711, 90111), (1323, 48427), (1659, 38619), (1839, 34839), (2133, 30037), (3871, 16551), (4291, 14931), (4977, 12873), (5517, 11613)]