221566287

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{42179}}^1$

素因数の和:42302

約数の個数: 16

約数和(自身を含む): 315843840

約数和(自身を除く): 94277553

約数列:

[1, 3, 17, 51, 103, 309, 1751, 5253, 42179, 126537, 717043, 2151129, 4344437, 13033311, 73855429, 221566287]

約数ペア:

[(1, 221566287), (3, 73855429), (17, 13033311), (51, 4344437), (103, 2151129), (309, 717043), (1751, 126537), (5253, 42179)]