221663949

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{19009}}^1$

素因数の和:19061

約数の個数: 24

約数和(自身を含む): 333967680

約数和(自身を除く): 112303731

約数列:

[1, 3, 13, 23, 39, 69, 169, 299, 507, 897, 3887, 11661, 19009, 57027, 247117, 437207, 741351, 1311621, 3212521, 5683691, 9637563, 17051073, 73887983, 221663949]

約数ペア:

[(1, 221663949), (3, 73887983), (13, 17051073), (23, 9637563), (39, 5683691), (69, 3212521), (169, 1311621), (299, 741351), (507, 437207), (897, 247117), (3887, 57027), (11661, 19009)]