211070367

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{17257}}^1$

素因数の和:17420

約数の個数: 20

約数和(自身を含む): 317409136

約数和(自身を除く): 106338769

約数列:

[1, 3, 9, 27, 81, 151, 453, 1359, 4077, 12231, 17257, 51771, 155313, 465939, 1397817, 2605807, 7817421, 23452263, 70356789, 211070367]

約数ペア:

[(1, 211070367), (3, 70356789), (9, 23452263), (27, 7817421), (81, 2605807), (151, 1397817), (453, 465939), (1359, 155313), (4077, 51771), (12231, 17257)]