28461867

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71333}}^1$

素因数の和:71362

約数の個数: 16

約数和(自身を含む): 45653760

約数和(自身を除く): 17191893

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 71333, 213999, 499331, 1355327, 1497993, 4065981, 9487289, 28461867]

約数ペア:

[(1, 28461867), (3, 9487289), (7, 4065981), (19, 1497993), (21, 1355327), (57, 499331), (133, 213999), (399, 71333)]