3998253

素因数分解:

$3^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{461}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 6320160

約数和(自身を除く): 2321907

約数列:

[1, 3, 7, 21, 49, 59, 147, 177, 413, 461, 1239, 1383, 2891, 3227, 8673, 9681, 22589, 27199, 67767, 81597, 190393, 571179, 1332751, 3998253]

約数ペア:

[(1, 3998253), (3, 1332751), (7, 571179), (21, 190393), (49, 81597), (59, 67767), (147, 27199), (177, 22589), (413, 9681), (461, 8673), (1239, 3227), (1383, 2891)]