3977721

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1$

素因数の和:306

約数の個数: 32

約数和(自身を含む): 6566400

約数和(自身を除く): 2588679

約数列:

[1, 3, 9, 11, 27, 33, 59, 99, 177, 227, 297, 531, 649, 681, 1593, 1947, 2043, 2497, 5841, 6129, 7491, 13393, 17523, 22473, 40179, 67419, 120537, 147323, 361611, 441969, 1325907, 3977721]

約数ペア:

[(1, 3977721), (3, 1325907), (9, 441969), (11, 361611), (27, 147323), (33, 120537), (59, 67419), (99, 40179), (177, 22473), (227, 17523), (297, 13393), (531, 7491), (649, 6129), (681, 5841), (1593, 2497), (1947, 2043)]