221377303

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{619}}^1\times {\mathrm{2689}}^1$

素因数の和:3334

約数の個数: 16

約数和(自身を含む): 266848000

約数和(自身を除く): 45470697

約数列:

[1, 7, 19, 133, 619, 2689, 4333, 11761, 18823, 51091, 82327, 357637, 1664491, 11651437, 31625329, 221377303]

約数ペア:

[(1, 221377303), (7, 31625329), (19, 11651437), (133, 1664491), (619, 357637), (2689, 82327), (4333, 51091), (11761, 18823)]