221362317

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{7901}}^1$

素因数の和:8201

約数の個数: 24

約数和(自身を含む): 350090208

約数和(自身を除く): 128727891

約数列:

[1, 3, 9, 11, 33, 99, 283, 849, 2547, 3113, 7901, 9339, 23703, 28017, 71109, 86911, 260733, 782199, 2235983, 6707949, 20123847, 24595813, 73787439, 221362317]

約数ペア:

[(1, 221362317), (3, 73787439), (9, 24595813), (11, 20123847), (33, 6707949), (99, 2235983), (283, 782199), (849, 260733), (2547, 86911), (3113, 71109), (7901, 28017), (9339, 23703)]