81288015

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{186869}}^1$

素因数の和:186906

約数の個数: 16

約数和(自身を含む): 134546400

約数和(自身を除く): 53258385

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 186869, 560607, 934345, 2803035, 5419201, 16257603, 27096005, 81288015]

約数ペア:

[(1, 81288015), (3, 27096005), (5, 16257603), (15, 5419201), (29, 2803035), (87, 934345), (145, 560607), (435, 186869)]