857805

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:157

約数の個数: 32

約数和(自身を含む): 1524096

約数和(自身を除く): 666291

約数列:

[1, 3, 5, 13, 15, 39, 53, 65, 83, 159, 195, 249, 265, 415, 689, 795, 1079, 1245, 2067, 3237, 3445, 4399, 5395, 10335, 13197, 16185, 21995, 57187, 65985, 171561, 285935, 857805]

約数ペア:

[(1, 857805), (3, 285935), (5, 171561), (13, 65985), (15, 57187), (39, 21995), (53, 16185), (65, 13197), (83, 10335), (159, 5395), (195, 4399), (249, 3445), (265, 3237), (415, 2067), (689, 1245), (795, 1079)]