28102545

素因数分解:

$3^4\times 5^1\times {\mathrm{69389}}^1$

素因数の和:69406

約数の個数: 20

約数和(自身を含む): 50377140

約数和(自身を除く): 22274595

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 69389, 208167, 346945, 624501, 1040835, 1873503, 3122505, 5620509, 9367515, 28102545]

約数ペア:

[(1, 28102545), (3, 9367515), (5, 5620509), (9, 3122505), (15, 1873503), (27, 1040835), (45, 624501), (81, 346945), (135, 208167), (405, 69389)]