28926807

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{15137}}^1$

素因数の和:15167

約数の個数: 24

約数和(自身を含む): 48320496

約数和(自身を除く): 19393689

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 15137, 45411, 105959, 196781, 317877, 590343, 741713, 1377467, 2225139, 4132401, 9642269, 28926807]

約数ペア:

[(1, 28926807), (3, 9642269), (7, 4132401), (13, 2225139), (21, 1377467), (39, 741713), (49, 590343), (91, 317877), (147, 196781), (273, 105959), (637, 45411), (1911, 15137)]