25931979

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1091}}^1$

素因数の和:1255

約数の個数: 24

約数和(自身を含む): 39748800

約数和(自身を除く): 13816821

約数列:

[1, 3, 9, 19, 57, 139, 171, 417, 1091, 1251, 2641, 3273, 7923, 9819, 20729, 23769, 62187, 151649, 186561, 454947, 1364841, 2881331, 8643993, 25931979]

約数ペア:

[(1, 25931979), (3, 8643993), (9, 2881331), (19, 1364841), (57, 454947), (139, 186561), (171, 151649), (417, 62187), (1091, 23769), (1251, 20729), (2641, 9819), (3273, 7923)]