918331921

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{21491}}^1$

素因数の和:21696

約数の個数: 16

約数和(自身を含む): 1047090240

約数和(自身を除く): 128758319

約数列:

[1, 13, 19, 173, 247, 2249, 3287, 21491, 42731, 279383, 408329, 3717943, 5308277, 48333259, 70640917, 918331921]

約数ペア:

[(1, 918331921), (13, 70640917), (19, 48333259), (173, 5308277), (247, 3717943), (2249, 408329), (3287, 279383), (21491, 42731)]