25331313

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{63487}}^1$

素因数の和:63516

約数の個数: 16

約数和(自身を含む): 40632320

約数和(自身を除く): 15301007

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 63487, 190461, 444409, 1206253, 1333227, 3618759, 8443771, 25331313]

約数ペア:

[(1, 25331313), (3, 8443771), (7, 3618759), (19, 1333227), (21, 1206253), (57, 444409), (133, 190461), (399, 63487)]