78655617

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{239}}^2$

素因数の和:507

約数の個数: 30

約数和(自身を含む): 124932258

約数和(自身を除く): 46276641

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 239, 459, 717, 1377, 2151, 4063, 6453, 12189, 19359, 36567, 57121, 109701, 171363, 329103, 514089, 971057, 1542267, 2913171, 4626801, 8739513, 26218539, 78655617]

約数ペア:

[(1, 78655617), (3, 26218539), (9, 8739513), (17, 4626801), (27, 2913171), (51, 1542267), (81, 971057), (153, 514089), (239, 329103), (459, 171363), (717, 109701), (1377, 57121), (2151, 36567), (4063, 19359), (6453, 12189)]