81584385

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{977}}^1$

素因数の和:1297

約数の個数: 32

約数和(自身を含む): 138015360

約数和(自身を除く): 56430975

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 293, 879, 977, 1465, 2931, 4395, 4885, 5567, 14655, 16701, 18563, 27835, 55689, 83505, 92815, 278445, 286261, 858783, 1431305, 4293915, 5438959, 16316877, 27194795, 81584385]

約数ペア:

[(1, 81584385), (3, 27194795), (5, 16316877), (15, 5438959), (19, 4293915), (57, 1431305), (95, 858783), (285, 286261), (293, 278445), (879, 92815), (977, 83505), (1465, 55689), (2931, 27835), (4395, 18563), (4885, 16701), (5567, 14655)]