86271381

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{72073}}^1$

素因数の和:72105

約数の個数: 24

約数和(自身を含む): 149913920

約数和(自身を除く): 63642539

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 72073, 216219, 504511, 648657, 1369387, 1513533, 4108161, 4540599, 9585709, 12324483, 28757127, 86271381]

約数ペア:

[(1, 86271381), (3, 28757127), (7, 12324483), (9, 9585709), (19, 4540599), (21, 4108161), (57, 1513533), (63, 1369387), (133, 648657), (171, 504511), (399, 216219), (1197, 72073)]