221484923

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1\times {\mathrm{977}}^1$

素因数の和:1582

約数の個数: 16

約数和(自身を含む): 248850144

約数和(自身を除く): 27365221

約数列:

[1, 11, 37, 407, 557, 977, 6127, 10747, 20609, 36149, 226699, 397639, 544189, 5986079, 20134993, 221484923]

約数ペア:

[(1, 221484923), (11, 20134993), (37, 5986079), (407, 544189), (557, 397639), (977, 226699), (6127, 36149), (10747, 20609)]