221447259

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{503}}^1\times {\mathrm{4447}}^1$

素因数の和:4967

約数の個数: 24

約数和(自身を含む): 349719552

約数和(自身を除く): 128272293

約数列:

[1, 3, 9, 11, 33, 99, 503, 1509, 4447, 4527, 5533, 13341, 16599, 40023, 48917, 49797, 146751, 440253, 2236841, 6710523, 20131569, 24605251, 73815753, 221447259]

約数ペア:

[(1, 221447259), (3, 73815753), (9, 24605251), (11, 20131569), (33, 6710523), (99, 2236841), (503, 440253), (1509, 146751), (4447, 49797), (4527, 48917), (5533, 40023), (13341, 16599)]