2173239

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:275

約数の個数: 24

約数和(自身を含む): 3369600

約数和(自身を除く): 1196361

約数列:

[1, 3, 9, 19, 57, 71, 171, 179, 213, 537, 639, 1349, 1611, 3401, 4047, 10203, 12141, 12709, 30609, 38127, 114381, 241471, 724413, 2173239]

約数ペア:

[(1, 2173239), (3, 724413), (9, 241471), (19, 114381), (57, 38127), (71, 30609), (171, 12709), (179, 12141), (213, 10203), (537, 4047), (639, 3401), (1349, 1611)]