221460001

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{593}}^1\times {\mathrm{1721}}^1$

素因数の和:2352

約数の個数: 16

約数和(自身を含む): 261854208

約数和(自身を除く): 40394207

約数列:

[1, 7, 31, 217, 593, 1721, 4151, 12047, 18383, 53351, 128681, 373457, 1020553, 7143871, 31637143, 221460001]

約数ペア:

[(1, 221460001), (7, 31637143), (31, 7143871), (217, 1020553), (593, 373457), (1721, 128681), (4151, 53351), (12047, 18383)]