211671687807

素因数分解:

$3^3\times {\mathrm{151}}^1\times {\mathrm{51918491}}^1$

素因数の和:51918651

約数の個数: 16

約数和(自身を含む): 315664431360

約数和(自身を除く): 103992743553

約数列:

[1, 3, 9, 27, 151, 453, 1359, 4077, 51918491, 155755473, 467266419, 1401799257, 7839692141, 23519076423, 70557229269, 211671687807]

約数ペア:

[(1, 211671687807), (3, 70557229269), (9, 23519076423), (27, 7839692141), (151, 1401799257), (453, 467266419), (1359, 155755473), (4077, 51918491)]