81219625

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1033}}^1$

素因数の和:1102

約数の個数: 32

約数和(自身を含む): 110331936

約数和(自身を除く): 29112311

約数列:

[1, 5, 17, 25, 37, 85, 125, 185, 425, 629, 925, 1033, 2125, 3145, 4625, 5165, 15725, 17561, 25825, 38221, 78625, 87805, 129125, 191105, 439025, 649757, 955525, 2195125, 3248785, 4777625, 16243925, 81219625]

約数ペア:

[(1, 81219625), (5, 16243925), (17, 4777625), (25, 3248785), (37, 2195125), (85, 955525), (125, 649757), (185, 439025), (425, 191105), (629, 129125), (925, 87805), (1033, 78625), (2125, 38221), (3145, 25825), (4625, 17561), (5165, 15725)]