160990921

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{19441}}^1$

素因数の和:19481

約数の個数: 18

約数和(自身を含む): 202799502

約数和(自身を除く): 41808581

約数列:

[1, 7, 13, 49, 91, 169, 637, 1183, 8281, 19441, 136087, 252733, 952609, 1769131, 3285529, 12383917, 22998703, 160990921]

約数ペア:

[(1, 160990921), (7, 22998703), (13, 12383917), (49, 3285529), (91, 1769131), (169, 952609), (637, 252733), (1183, 136087), (8281, 19441)]