221738487

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{677}}^1\times {\mathrm{2539}}^1$

素因数の和:3262

約数の個数: 16

約数和(自身を含む): 303093120

約数和(自身を除く): 81354633

約数列:

[1, 3, 43, 129, 677, 2031, 2539, 7617, 29111, 87333, 109177, 327531, 1718903, 5156709, 73912829, 221738487]

約数ペア:

[(1, 221738487), (3, 73912829), (43, 5156709), (129, 1718903), (677, 327531), (2031, 109177), (2539, 87333), (7617, 29111)]