156981213

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{4817}}^1$

素因数の和:4914

約数の個数: 32

約数和(自身を含む): 249765120

約数和(自身を除く): 92783907

約数列:

[1, 3, 9, 17, 27, 51, 71, 153, 213, 459, 639, 1207, 1917, 3621, 4817, 10863, 14451, 32589, 43353, 81889, 130059, 245667, 342007, 737001, 1026021, 2211003, 3078063, 5814119, 9234189, 17442357, 52327071, 156981213]

約数ペア:

[(1, 156981213), (3, 52327071), (9, 17442357), (17, 9234189), (27, 5814119), (51, 3078063), (71, 2211003), (153, 1026021), (213, 737001), (459, 342007), (639, 245667), (1207, 130059), (1917, 81889), (3621, 43353), (4817, 32589), (10863, 14451)]