28327929

素因数分解:

$3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{1801}}^1$

素因数の和:1925

約数の個数: 24

約数和(自身を含む): 44372448

約数和(自身を除く): 16044519

約数列:

[1, 3, 7, 21, 49, 107, 147, 321, 749, 1801, 2247, 5243, 5403, 12607, 15729, 37821, 88249, 192707, 264747, 578121, 1348949, 4046847, 9442643, 28327929]

約数ペア:

[(1, 28327929), (3, 9442643), (7, 4046847), (21, 1348949), (49, 578121), (107, 264747), (147, 192707), (321, 88249), (749, 37821), (1801, 15729), (2247, 12607), (5243, 5403)]