201908559

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{479}}^1$

素因数の和:695

約数の個数: 32

約数和(自身を含む): 290304000

約数和(自身を除く): 88395441

約数列:

[1, 3, 23, 41, 69, 123, 149, 447, 479, 943, 1437, 2829, 3427, 6109, 10281, 11017, 18327, 19639, 33051, 58917, 71371, 140507, 214113, 421521, 451697, 1355091, 1641533, 2926211, 4924599, 8778633, 67302853, 201908559]

約数ペア:

[(1, 201908559), (3, 67302853), (23, 8778633), (41, 4924599), (69, 2926211), (123, 1641533), (149, 1355091), (447, 451697), (479, 421521), (943, 214113), (1437, 140507), (2829, 71371), (3427, 58917), (6109, 33051), (10281, 19639), (11017, 18327)]