2705339

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:195

約数の個数: 24

約数和(自身を含む): 3523968

約数和(自身を除く): 818629

約数列:

[1, 7, 13, 31, 49, 91, 137, 217, 403, 637, 959, 1519, 1781, 2821, 4247, 6713, 12467, 19747, 29729, 55211, 87269, 208103, 386477, 2705339]

約数ペア:

[(1, 2705339), (7, 386477), (13, 208103), (31, 87269), (49, 55211), (91, 29729), (137, 19747), (217, 12467), (403, 6713), (637, 4247), (959, 2821), (1519, 1781)]