201143405

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{463}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 270604800

約数和(自身を除く): 69461395

約数列:

[1, 5, 17, 19, 85, 95, 269, 323, 463, 1345, 1615, 2315, 4573, 5111, 7871, 8797, 22865, 25555, 39355, 43985, 86887, 124547, 149549, 434435, 622735, 747745, 2117299, 2366393, 10586495, 11831965, 40228681, 201143405]

約数ペア:

[(1, 201143405), (5, 40228681), (17, 11831965), (19, 10586495), (85, 2366393), (95, 2117299), (269, 747745), (323, 622735), (463, 434435), (1345, 149549), (1615, 124547), (2315, 86887), (4573, 43985), (5111, 39355), (7871, 25555), (8797, 22865)]