643043199

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^2$

素因数の和:879

約数の個数: 24

約数和(自身を含む): 907895296

約数和(自身を除く): 264852097

約数列:

[1, 3, 31, 43, 93, 129, 401, 1203, 1333, 3999, 12431, 17243, 37293, 51729, 160801, 482403, 534533, 1603599, 4984831, 6914443, 14954493, 20743329, 214347733, 643043199]

約数ペア:

[(1, 643043199), (3, 214347733), (31, 20743329), (43, 14954493), (93, 6914443), (129, 4984831), (401, 1603599), (1203, 534533), (1333, 482403), (3999, 160801), (12431, 51729), (17243, 37293)]