208756443

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{1531}}^1$

素因数の和:1735

約数の個数: 32

約数和(自身を含む): 327872512

約数和(自身を除く): 119116069

約数列:

[1, 3, 7, 21, 43, 129, 151, 301, 453, 903, 1057, 1531, 3171, 4593, 6493, 10717, 19479, 32151, 45451, 65833, 136353, 197499, 231181, 460831, 693543, 1382493, 1618267, 4854801, 9940783, 29822349, 69585481, 208756443]

約数ペア:

[(1, 208756443), (3, 69585481), (7, 29822349), (21, 9940783), (43, 4854801), (129, 1618267), (151, 1382493), (301, 693543), (453, 460831), (903, 231181), (1057, 197499), (1531, 136353), (3171, 65833), (4593, 45451), (6493, 32151), (10717, 19479)]