81927131

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{503}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 103638528

約数和(自身を除く): 21711397

約数列:

[1, 11, 13, 17, 67, 143, 187, 221, 503, 737, 871, 1139, 2431, 5533, 6539, 8551, 9581, 12529, 14807, 33701, 71929, 94061, 111163, 162877, 370711, 438113, 572917, 1222793, 4819243, 6302087, 7447921, 81927131]

約数ペア:

[(1, 81927131), (11, 7447921), (13, 6302087), (17, 4819243), (67, 1222793), (143, 572917), (187, 438113), (221, 370711), (503, 162877), (737, 111163), (871, 94061), (1139, 71929), (2431, 33701), (5533, 14807), (6539, 12529), (8551, 9581)]