4008447

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:141

約数の個数: 40

約数和(自身を含む): 6586272

約数和(自身を除く): 2577825

約数列:

[1, 3, 9, 17, 27, 41, 51, 71, 81, 123, 153, 213, 369, 459, 639, 697, 1107, 1207, 1377, 1917, 2091, 2911, 3321, 3621, 5751, 6273, 8733, 10863, 18819, 26199, 32589, 49487, 56457, 78597, 97767, 148461, 235791, 445383, 1336149, 4008447]

約数ペア:

[(1, 4008447), (3, 1336149), (9, 445383), (17, 235791), (27, 148461), (41, 97767), (51, 78597), (71, 56457), (81, 49487), (123, 32589), (153, 26199), (213, 18819), (369, 10863), (459, 8733), (639, 6273), (697, 5751), (1107, 3621), (1207, 3321), (1377, 2911), (1917, 2091)]