71716815

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{10151}}^1$

素因数の和:10319

約数の個数: 24

約数和(自身を含む): 125113248

約数和(自身を除く): 53396433

約数列:

[1, 3, 5, 9, 15, 45, 157, 471, 785, 1413, 2355, 7065, 10151, 30453, 50755, 91359, 152265, 456795, 1593707, 4781121, 7968535, 14343363, 23905605, 71716815]

約数ペア:

[(1, 71716815), (3, 23905605), (5, 14343363), (9, 7968535), (15, 4781121), (45, 1593707), (157, 456795), (471, 152265), (785, 91359), (1413, 50755), (2355, 30453), (7065, 10151)]