66249981

素因数分解:

$3^4\times 7^1\times {\mathrm{331}}^1\times {\mathrm{353}}^1$

素因数の和:703

約数の個数: 40

約数和(自身を含む): 113767104

約数和(自身を除く): 47517123

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 331, 353, 567, 993, 1059, 2317, 2471, 2979, 3177, 6951, 7413, 8937, 9531, 20853, 22239, 26811, 28593, 62559, 66717, 116843, 187677, 200151, 350529, 817901, 1051587, 2453703, 3154761, 7361109, 9464283, 22083327, 66249981]

約数ペア:

[(1, 66249981), (3, 22083327), (7, 9464283), (9, 7361109), (21, 3154761), (27, 2453703), (63, 1051587), (81, 817901), (189, 350529), (331, 200151), (353, 187677), (567, 116843), (993, 66717), (1059, 62559), (2317, 28593), (2471, 26811), (2979, 22239), (3177, 20853), (6951, 9531), (7413, 8937)]