205987521

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{76207}}^1$

素因数の和:76280

約数の個数: 16

約数和(自身を含む): 296296704

約数和(自身を除く): 90309183

約数列:

[1, 3, 17, 51, 53, 159, 901, 2703, 76207, 228621, 1295519, 3886557, 4038971, 12116913, 68662507, 205987521]

約数ペア:

[(1, 205987521), (3, 68662507), (17, 12116913), (51, 4038971), (53, 3886557), (159, 1295519), (901, 228621), (2703, 76207)]