29131731

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{823}}^1$

素因数の和:877

約数の個数: 40

約数和(自身を含む): 47857920

約数和(自身を除く): 18726189

約数列:

[1, 3, 9, 19, 23, 27, 57, 69, 81, 171, 207, 437, 513, 621, 823, 1311, 1539, 1863, 2469, 3933, 7407, 11799, 15637, 18929, 22221, 35397, 46911, 56787, 66663, 140733, 170361, 359651, 422199, 511083, 1078953, 1266597, 1533249, 3236859, 9710577, 29131731]

約数ペア:

[(1, 29131731), (3, 9710577), (9, 3236859), (19, 1533249), (23, 1266597), (27, 1078953), (57, 511083), (69, 422199), (81, 359651), (171, 170361), (207, 140733), (437, 66663), (513, 56787), (621, 46911), (823, 35397), (1311, 22221), (1539, 18929), (1863, 15637), (2469, 11799), (3933, 7407)]