199673985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{4517}}^1$

素因数の和:4953

約数の個数: 32

約数和(自身を含む): 366066432

約数和(自身を除く): 166392447

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 421, 1263, 2105, 2947, 4517, 6315, 8841, 13551, 14735, 22585, 31619, 44205, 67755, 94857, 158095, 474285, 1901657, 5704971, 9508285, 13311599, 28524855, 39934797, 66557995, 199673985]

約数ペア:

[(1, 199673985), (3, 66557995), (5, 39934797), (7, 28524855), (15, 13311599), (21, 9508285), (35, 5704971), (105, 1901657), (421, 474285), (1263, 158095), (2105, 94857), (2947, 67755), (4517, 44205), (6315, 31619), (8841, 22585), (13551, 14735)]