210399771

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 293932800

約数和(自身を除く): 83533029

約数列:

[1, 3, 53, 83, 107, 149, 159, 249, 321, 447, 4399, 5671, 7897, 8881, 12367, 13197, 15943, 17013, 23691, 26643, 37101, 47829, 470693, 655451, 844979, 1323269, 1412079, 1966353, 2534937, 3969807, 70133257, 210399771]

約数ペア:

[(1, 210399771), (3, 70133257), (53, 3969807), (83, 2534937), (107, 1966353), (149, 1412079), (159, 1323269), (249, 844979), (321, 655451), (447, 470693), (4399, 47829), (5671, 37101), (7897, 26643), (8881, 23691), (12367, 17013), (13197, 15943)]