61990677

素因数分解:

$3^4\times 7^1\times {\mathrm{109331}}^1$

素因数の和:109350

約数の個数: 20

約数和(自身を含む): 105833376

約数和(自身を除く): 43842699

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 109331, 327993, 765317, 983979, 2295951, 2951937, 6887853, 8855811, 20663559, 61990677]

約数ペア:

[(1, 61990677), (3, 20663559), (7, 8855811), (9, 6887853), (21, 2951937), (27, 2295951), (63, 983979), (81, 765317), (189, 327993), (567, 109331)]