56704815

素因数分解:

$3^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1997}}^1$

素因数の和:2639

約数の個数: 24

約数和(自身を含む): 98493408

約数和(自身を除く): 41788593

約数列:

[1, 3, 5, 9, 15, 45, 631, 1893, 1997, 3155, 5679, 5991, 9465, 9985, 17973, 28395, 29955, 89865, 1260107, 3780321, 6300535, 11340963, 18901605, 56704815]

約数ペア:

[(1, 56704815), (3, 18901605), (5, 11340963), (9, 6300535), (15, 3780321), (45, 1260107), (631, 89865), (1893, 29955), (1997, 28395), (3155, 17973), (5679, 9985), (5991, 9465)]