220996839

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{172519}}^1$

素因数の和:172590

約数の個数: 16

約数和(自身を含む): 342279680

約数和(自身を除く): 121282841

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 172519, 517557, 1207633, 3622899, 10523659, 31570977, 73665613, 220996839]

約数ペア:

[(1, 220996839), (3, 73665613), (7, 31570977), (21, 10523659), (61, 3622899), (183, 1207633), (427, 517557), (1281, 172519)]