172855813

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{139}}^1\times {\mathrm{331}}^1$

素因数の和:517

約数の個数: 24

約数和(自身を含む): 199771040

約数和(自身を除く): 26915227

約数列:

[1, 13, 17, 139, 221, 289, 331, 1807, 2363, 3757, 4303, 5627, 30719, 40171, 46009, 73151, 95659, 522223, 598117, 782153, 1243567, 10167989, 13296601, 172855813]

約数ペア:

[(1, 172855813), (13, 13296601), (17, 10167989), (139, 1243567), (221, 782153), (289, 598117), (331, 522223), (1807, 95659), (2363, 73151), (3757, 46009), (4303, 40171), (5627, 30719)]