9946881

素因数分解:

$3^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:403

約数の個数: 40

約数和(自身を含む): 17354304

約数和(自身を除く): 7407423

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 81, 159, 189, 331, 371, 477, 567, 993, 1113, 1431, 2317, 2979, 3339, 4293, 6951, 8937, 10017, 17543, 20853, 26811, 30051, 52629, 62559, 122801, 157887, 187677, 368403, 473661, 1105209, 1420983, 3315627, 9946881]

約数ペア:

[(1, 9946881), (3, 3315627), (7, 1420983), (9, 1105209), (21, 473661), (27, 368403), (53, 187677), (63, 157887), (81, 122801), (159, 62559), (189, 52629), (331, 30051), (371, 26811), (477, 20853), (567, 17543), (993, 10017), (1113, 8937), (1431, 6951), (2317, 4293), (2979, 3339)]