25265079

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21107}}^1$

素因数の和:21139

約数の個数: 24

約数和(自身を含む): 43904640

約数和(自身を除く): 18639561

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 21107, 63321, 147749, 189963, 401033, 443247, 1203099, 1329741, 2807231, 3609297, 8421693, 25265079]

約数ペア:

[(1, 25265079), (3, 8421693), (7, 3609297), (9, 2807231), (19, 1329741), (21, 1203099), (57, 443247), (63, 401033), (133, 189963), (171, 147749), (399, 63321), (1197, 21107)]