65531921

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{19463}}^1$

素因数の和:19520

約数の個数: 16

約数和(自身を含む): 82838784

約数和(自身を除く): 17306863

約数列:

[1, 7, 13, 37, 91, 259, 481, 3367, 19463, 136241, 253019, 720131, 1771133, 5040917, 9361703, 65531921]

約数ペア:

[(1, 65531921), (7, 9361703), (13, 5040917), (37, 1771133), (91, 720131), (259, 253019), (481, 136241), (3367, 19463)]