29920185

素因数分解:

$3^4\times 5^1\times {\mathrm{73877}}^1$

素因数の和:73894

約数の個数: 20

約数和(自身を含む): 53635428

約数和(自身を除く): 23715243

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 73877, 221631, 369385, 664893, 1108155, 1994679, 3324465, 5984037, 9973395, 29920185]

約数ペア:

[(1, 29920185), (3, 9973395), (5, 5984037), (9, 3324465), (15, 1994679), (27, 1108155), (45, 664893), (81, 369385), (135, 221631), (405, 73877)]