81115705

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{27827}}^1$

素因数の和:27896

約数の個数: 16

約数和(自身を含む): 108195264

約数和(自身を除く): 27079559

約数列:

[1, 5, 11, 53, 55, 265, 583, 2915, 27827, 139135, 306097, 1474831, 1530485, 7374155, 16223141, 81115705]

約数ペア:

[(1, 81115705), (5, 16223141), (11, 7374155), (53, 1530485), (55, 1474831), (265, 306097), (583, 139135), (2915, 27827)]