78898617

素因数分解:

$3^4\times 7^1\times {\mathrm{227}}^1\times {\mathrm{613}}^1$

素因数の和:859

約数の個数: 40

約数和(自身を含む): 135512256

約数和(自身を除く): 56613639

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 227, 567, 613, 681, 1589, 1839, 2043, 4291, 4767, 5517, 6129, 12873, 14301, 16551, 18387, 38619, 42903, 49653, 115857, 128709, 139151, 347571, 417453, 974057, 1252359, 2922171, 3757077, 8766513, 11271231, 26299539, 78898617]

約数ペア:

[(1, 78898617), (3, 26299539), (7, 11271231), (9, 8766513), (21, 3757077), (27, 2922171), (63, 1252359), (81, 974057), (189, 417453), (227, 347571), (567, 139151), (613, 128709), (681, 115857), (1589, 49653), (1839, 42903), (2043, 38619), (4291, 18387), (4767, 16551), (5517, 14301), (6129, 12873)]