8398221

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 13063680

約数和(自身を除く): 4665459

約数列:

[1, 3, 13, 17, 39, 51, 53, 159, 221, 239, 663, 689, 717, 901, 2067, 2703, 3107, 4063, 9321, 11713, 12189, 12667, 35139, 38001, 52819, 158457, 164671, 215339, 494013, 646017, 2799407, 8398221]

約数ペア:

[(1, 8398221), (3, 2799407), (13, 646017), (17, 494013), (39, 215339), (51, 164671), (53, 158457), (159, 52819), (221, 38001), (239, 35139), (663, 12667), (689, 12189), (717, 11713), (901, 9321), (2067, 4063), (2703, 3107)]