25258527

素因数分解:

$3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1249}}^1$

素因数の和:1372

約数の個数: 32

約数和(自身を含む): 43200000

約数和(自身を除く): 17941473

約数列:

[1, 3, 7, 9, 21, 27, 63, 107, 189, 321, 749, 963, 1249, 2247, 2889, 3747, 6741, 8743, 11241, 20223, 26229, 33723, 78687, 133643, 236061, 400929, 935501, 1202787, 2806503, 3608361, 8419509, 25258527]

約数ペア:

[(1, 25258527), (3, 8419509), (7, 3608361), (9, 2806503), (21, 1202787), (27, 935501), (63, 400929), (107, 236061), (189, 133643), (321, 78687), (749, 33723), (963, 26229), (1249, 20223), (2247, 11241), (2889, 8743), (3747, 6741)]