68474781

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1$

素因数の和:610

約数の個数: 32

約数和(自身を含む): 104544000

約数和(自身を除く): 36069219

約数列:

[1, 3, 9, 27, 53, 109, 159, 327, 439, 477, 981, 1317, 1431, 2943, 3951, 5777, 11853, 17331, 23267, 47851, 51993, 69801, 143553, 155979, 209403, 430659, 628209, 1291977, 2536103, 7608309, 22824927, 68474781]

約数ペア:

[(1, 68474781), (3, 22824927), (9, 7608309), (27, 2536103), (53, 1291977), (109, 628209), (159, 430659), (327, 209403), (439, 155979), (477, 143553), (981, 69801), (1317, 51993), (1431, 47851), (2943, 23267), (3951, 17331), (5777, 11853)]