221535441

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{2713}}^1$

素因数の和:2973

約数の個数: 24

約数和(自身を含む): 329110496

約数和(自身を除く): 107575055

約数列:

[1, 3, 9, 43, 129, 211, 387, 633, 1899, 2713, 8139, 9073, 24417, 27219, 81657, 116659, 349977, 572443, 1049931, 1717329, 5151987, 24615049, 73845147, 221535441]

約数ペア:

[(1, 221535441), (3, 73845147), (9, 24615049), (43, 5151987), (129, 1717329), (211, 1049931), (387, 572443), (633, 349977), (1899, 116659), (2713, 81657), (8139, 27219), (9073, 24417)]