28227285

素因数分解:

$3^4\times 5^1\times {\mathrm{69697}}^1$

素因数の和:69714

約数の個数: 20

約数和(自身を含む): 50600748

約数和(自身を除く): 22373463

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 69697, 209091, 348485, 627273, 1045455, 1881819, 3136365, 5645457, 9409095, 28227285]

約数ペア:

[(1, 28227285), (3, 9409095), (5, 5645457), (9, 3136365), (15, 1881819), (27, 1045455), (45, 627273), (81, 348485), (135, 209091), (405, 69697)]