199903695

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{8161}}^1$

素因数の和:8263

約数の個数: 32

約数和(自身を含む): 338494464

約数和(自身を除く): 138590769

約数列:

[1, 3, 5, 15, 23, 69, 71, 115, 213, 345, 355, 1065, 1633, 4899, 8161, 8165, 24483, 24495, 40805, 122415, 187703, 563109, 579431, 938515, 1738293, 2815545, 2897155, 8691465, 13326913, 39980739, 66634565, 199903695]

約数ペア:

[(1, 199903695), (3, 66634565), (5, 39980739), (15, 13326913), (23, 8691465), (69, 2897155), (71, 2815545), (115, 1738293), (213, 938515), (345, 579431), (355, 563109), (1065, 187703), (1633, 122415), (4899, 40805), (8161, 24495), (8165, 24483)]