25704891

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{563}}^1$

素因数の和:680

約数の個数: 32

約数和(自身を含む): 40608000

約数和(自身を除く): 14903109

約数列:

[1, 3, 9, 19, 27, 57, 89, 171, 267, 513, 563, 801, 1689, 1691, 2403, 5067, 5073, 10697, 15201, 15219, 32091, 45657, 50107, 96273, 150321, 288819, 450963, 952033, 1352889, 2856099, 8568297, 25704891]

約数ペア:

[(1, 25704891), (3, 8568297), (9, 2856099), (19, 1352889), (27, 952033), (57, 450963), (89, 288819), (171, 150321), (267, 96273), (513, 50107), (563, 45657), (801, 32091), (1689, 15219), (1691, 15201), (2403, 10697), (5067, 5073)]