28285491

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{7477}}^1$

素因数の和:7590

約数の個数: 16

約数和(自身を含む): 41039264

約数和(自身を除く): 12753773

約数列:

[1, 3, 13, 39, 97, 291, 1261, 3783, 7477, 22431, 97201, 291603, 725269, 2175807, 9428497, 28285491]

約数ペア:

[(1, 28285491), (3, 9428497), (13, 2175807), (39, 725269), (97, 291603), (291, 97201), (1261, 22431), (3783, 7477)]