211988181

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{78427}}^1$

素因数の和:78500

約数の個数: 16

約数和(自身を含む): 304928064

約数和(自身を除く): 92939883

約数列:

[1, 3, 17, 51, 53, 159, 901, 2703, 78427, 235281, 1333259, 3999777, 4156631, 12469893, 70662727, 211988181]

約数ペア:

[(1, 211988181), (3, 70662727), (17, 12469893), (51, 4156631), (53, 3999777), (159, 1333259), (901, 235281), (2703, 78427)]