28328601

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{70999}}^1$

素因数の和:71028

約数の個数: 16

約数和(自身を含む): 45440000

約数和(自身を除く): 17111399

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 70999, 212997, 496993, 1348981, 1490979, 4046943, 9442867, 28328601]

約数ペア:

[(1, 28328601), (3, 9442867), (7, 4046943), (19, 1490979), (21, 1348981), (57, 496993), (133, 212997), (399, 70999)]