205587291

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{107581}}^1$

素因数の和:107611

約数の個数: 24

約数和(自身を含む): 343401744

約数和(自身を除く): 137814453

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 107581, 322743, 753067, 1398553, 2259201, 4195659, 5271469, 9789871, 15814407, 29369613, 68529097, 205587291]

約数ペア:

[(1, 205587291), (3, 68529097), (7, 29369613), (13, 15814407), (21, 9789871), (39, 5271469), (49, 4195659), (91, 2259201), (147, 1398553), (273, 753067), (637, 322743), (1911, 107581)]