25783965

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 46545408

約数和(自身を除く): 20761443

約数列:

[1, 3, 5, 9, 15, 45, 47, 73, 141, 167, 219, 235, 365, 423, 501, 657, 705, 835, 1095, 1503, 2115, 2505, 3285, 3431, 7515, 7849, 10293, 12191, 17155, 23547, 30879, 36573, 39245, 51465, 60955, 70641, 109719, 117735, 154395, 182865, 353205, 548595, 572977, 1718931, 2864885, 5156793, 8594655, 25783965]

約数ペア:

[(1, 25783965), (3, 8594655), (5, 5156793), (9, 2864885), (15, 1718931), (45, 572977), (47, 548595), (73, 353205), (141, 182865), (167, 154395), (219, 117735), (235, 109719), (365, 70641), (423, 60955), (501, 51465), (657, 39245), (705, 36573), (835, 30879), (1095, 23547), (1503, 17155), (2115, 12191), (2505, 10293), (3285, 7849), (3431, 7515)]