2147247

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{433}}^1$

素因数の和:487

約数の個数: 24

約数和(自身を含む): 3385200

約数和(自身を除く): 1237953

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 433, 551, 1299, 1653, 3897, 4959, 8227, 12557, 24681, 37671, 74043, 113013, 238583, 715749, 2147247]

約数ペア:

[(1, 2147247), (3, 715749), (9, 238583), (19, 113013), (29, 74043), (57, 37671), (87, 24681), (171, 12557), (261, 8227), (433, 4959), (551, 3897), (1299, 1653)]