20180920365

素因数分解:

$3^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{233941}}^1$

素因数の和:234032

約数の個数: 48

約数和(自身を含む): 36786911616

約数和(自身を除く): 16605991251

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 243, 355, 405, 639, 1065, 1215, 1917, 3195, 5751, 9585, 17253, 28755, 86265, 233941, 701823, 1169705, 2105469, 3509115, 6316407, 10527345, 16609811, 18949221, 31582035, 49829433, 56847663, 83049055, 94746105, 149488299, 249147165, 284238315, 448464897, 747441495, 1345394691, 2242324485, 4036184073, 6726973455, 20180920365]

約数ペア:

[(1, 20180920365), (3, 6726973455), (5, 4036184073), (9, 2242324485), (15, 1345394691), (27, 747441495), (45, 448464897), (71, 284238315), (81, 249147165), (135, 149488299), (213, 94746105), (243, 83049055), (355, 56847663), (405, 49829433), (639, 31582035), (1065, 18949221), (1215, 16609811), (1917, 10527345), (3195, 6316407), (5751, 3509115), (9585, 2105469), (17253, 1169705), (28755, 701823), (86265, 233941)]