78640317

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{727}}^1$

素因数の和:858

約数の個数: 48

約数和(自身を含む): 139007232

約数和(自身を除く): 60366915

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 101, 119, 153, 303, 357, 707, 727, 909, 1071, 1717, 2121, 2181, 5089, 5151, 6363, 6543, 12019, 12359, 15267, 15453, 36057, 37077, 45801, 73427, 86513, 108171, 111231, 220281, 259539, 513989, 660843, 778617, 1248259, 1541967, 3744777, 4625901, 8737813, 11234331, 26213439, 78640317]

約数ペア:

[(1, 78640317), (3, 26213439), (7, 11234331), (9, 8737813), (17, 4625901), (21, 3744777), (51, 1541967), (63, 1248259), (101, 778617), (119, 660843), (153, 513989), (303, 259539), (357, 220281), (707, 111231), (727, 108171), (909, 86513), (1071, 73427), (1717, 45801), (2121, 37077), (2181, 36057), (5089, 15453), (5151, 15267), (6363, 12359), (6543, 12019)]