221520231

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{283}}^1\times {\mathrm{547}}^1$

素因数の和:892

約数の個数: 32

約数和(自身を含む): 336165120

約数和(自身を除く): 114644889

約数列:

[1, 3, 9, 27, 53, 159, 283, 477, 547, 849, 1431, 1641, 2547, 4923, 7641, 14769, 14999, 28991, 44997, 86973, 134991, 154801, 260919, 404973, 464403, 782757, 1393209, 4179627, 8204453, 24613359, 73840077, 221520231]

約数ペア:

[(1, 221520231), (3, 73840077), (9, 24613359), (27, 8204453), (53, 4179627), (159, 1393209), (283, 782757), (477, 464403), (547, 404973), (849, 260919), (1431, 154801), (1641, 134991), (2547, 86973), (4923, 44997), (7641, 28991), (14769, 14999)]