17881263

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{239}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 28339200

約数和(自身を除く): 10457937

約数列:

[1, 3, 9, 17, 27, 51, 153, 163, 239, 459, 489, 717, 1467, 2151, 2771, 4063, 4401, 6453, 8313, 12189, 24939, 36567, 38957, 74817, 109701, 116871, 350613, 662269, 1051839, 1986807, 5960421, 17881263]

約数ペア:

[(1, 17881263), (3, 5960421), (9, 1986807), (17, 1051839), (27, 662269), (51, 350613), (153, 116871), (163, 109701), (239, 74817), (459, 38957), (489, 36567), (717, 24939), (1467, 12189), (2151, 8313), (2771, 6453), (4063, 4401)]