215777787

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{79829}}^1$

素因数の和:79902

約数の個数: 16

約数和(自身を含む): 310379040

約数和(自身を除く): 94601253

約数列:

[1, 3, 17, 51, 53, 159, 901, 2703, 79829, 239487, 1357093, 4071279, 4230937, 12692811, 71925929, 215777787]

約数ペア:

[(1, 215777787), (3, 71925929), (17, 12692811), (51, 4230937), (53, 4071279), (159, 1357093), (901, 239487), (2703, 79829)]