25421895

素因数分解:

$3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1423}}^1$

素因数の和:1831

約数の個数: 24

約数和(自身を含む): 44206656

約数和(自身を除く): 18784761

約数列:

[1, 3, 5, 9, 15, 45, 397, 1191, 1423, 1985, 3573, 4269, 5955, 7115, 12807, 17865, 21345, 64035, 564931, 1694793, 2824655, 5084379, 8473965, 25421895]

約数ペア:

[(1, 25421895), (3, 8473965), (5, 5084379), (9, 2824655), (15, 1694793), (45, 564931), (397, 64035), (1191, 21345), (1423, 17865), (1985, 12807), (3573, 7115), (4269, 5955)]