209046201

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{109391}}^1$

素因数の和:109421

約数の個数: 24

約数和(自身を含む): 349179264

約数和(自身を除く): 140133063

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 109391, 328173, 765737, 1422083, 2297211, 4266249, 5360159, 9954581, 16080477, 29863743, 69682067, 209046201]

約数ペア:

[(1, 209046201), (3, 69682067), (7, 29863743), (13, 16080477), (21, 9954581), (39, 5360159), (49, 4266249), (91, 2297211), (147, 1422083), (273, 765737), (637, 328173), (1911, 109391)]