221639187

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{959477}}^1$

素因数の和:959498

約数の個数: 16

約数和(自身を含む): 368439552

約数和(自身を除く): 146800365

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 959477, 2878431, 6716339, 10554247, 20149017, 31662741, 73879729, 221639187]

約数ペア:

[(1, 221639187), (3, 73879729), (7, 31662741), (11, 20149017), (21, 10554247), (33, 6716339), (77, 2878431), (231, 959477)]