7928921

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^2$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 10766784

約数和(自身を除く): 2837863

約数列:

[1, 7, 11, 13, 77, 89, 91, 143, 623, 979, 1001, 1157, 6853, 7921, 8099, 12727, 55447, 87131, 89089, 102973, 609917, 720811, 1132703, 7928921]

約数ペア:

[(1, 7928921), (7, 1132703), (11, 720811), (13, 609917), (77, 102973), (89, 89089), (91, 87131), (143, 55447), (623, 12727), (979, 8099), (1001, 7921), (1157, 6853)]