212227479

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{128857}}^1$

素因数の和:128927

約数の個数: 16

約数和(自身を含む): 319567840

約数和(自身を除く): 107340361

約数列:

[1, 3, 9, 27, 61, 183, 549, 1647, 128857, 386571, 1159713, 3479139, 7860277, 23580831, 70742493, 212227479]

約数ペア:

[(1, 212227479), (3, 70742493), (9, 23580831), (27, 7860277), (61, 3479139), (183, 1159713), (549, 386571), (1647, 128857)]