213608907

素因数分解:

$3^5\times {\mathrm{43}}^1\times {\mathrm{20443}}^1$

素因数の和:20501

約数の個数: 24

約数和(自身を含む): 327431104

約数和(自身を除く): 113822197

約数列:

[1, 3, 9, 27, 43, 81, 129, 243, 387, 1161, 3483, 10449, 20443, 61329, 183987, 551961, 879049, 1655883, 2637147, 4967649, 7911441, 23734323, 71202969, 213608907]

約数ペア:

[(1, 213608907), (3, 71202969), (9, 23734323), (27, 7911441), (43, 4967649), (81, 2637147), (129, 1655883), (243, 879049), (387, 551961), (1161, 183987), (3483, 61329), (10449, 20443)]