161620353

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:419

約数の個数: 40

約数和(自身を含む): 247769280

約数和(自身を除く): 86148927

約数列:

[1, 3, 9, 27, 71, 81, 157, 179, 213, 471, 537, 639, 1413, 1611, 1917, 4239, 4833, 5751, 11147, 12709, 12717, 14499, 28103, 33441, 38127, 84309, 100323, 114381, 252927, 300969, 343143, 758781, 902907, 1029429, 1995313, 2276343, 5985939, 17957817, 53873451, 161620353]

約数ペア:

[(1, 161620353), (3, 53873451), (9, 17957817), (27, 5985939), (71, 2276343), (81, 1995313), (157, 1029429), (179, 902907), (213, 758781), (471, 343143), (537, 300969), (639, 252927), (1413, 114381), (1611, 100323), (1917, 84309), (4239, 38127), (4833, 33441), (5751, 28103), (11147, 14499), (12709, 12717)]