721888329

素因数分解:

$3^1\times {\mathrm{29}}^2\times {\mathrm{359}}^1\times {\mathrm{797}}^1$

素因数の和:1217

約数の個数: 24

約数和(自身を含む): 1000883520

約数和(自身を除く): 278995191

約数列:

[1, 3, 29, 87, 359, 797, 841, 1077, 2391, 2523, 10411, 23113, 31233, 69339, 286123, 301919, 670277, 858369, 905757, 2010831, 8297567, 24892701, 240629443, 721888329]

約数ペア:

[(1, 721888329), (3, 240629443), (29, 24892701), (87, 8297567), (359, 2010831), (797, 905757), (841, 858369), (1077, 670277), (2391, 301919), (2523, 286123), (10411, 69339), (23113, 31233)]