25297785

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 48591360

約数和(自身を除く): 23293575

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 73, 85, 135, 151, 153, 219, 255, 365, 453, 459, 657, 755, 765, 1095, 1241, 1359, 1971, 2265, 2295, 2567, 3285, 3723, 4077, 6205, 6795, 7701, 9855, 11023, 11169, 12835, 18615, 20385, 23103, 33069, 33507, 38505, 55115, 55845, 69309, 99207, 115515, 165345, 167535, 187391, 297621, 346545, 496035, 562173, 936955, 1488105, 1686519, 2810865, 5059557, 8432595, 25297785]

約数ペア:

[(1, 25297785), (3, 8432595), (5, 5059557), (9, 2810865), (15, 1686519), (17, 1488105), (27, 936955), (45, 562173), (51, 496035), (73, 346545), (85, 297621), (135, 187391), (151, 167535), (153, 165345), (219, 115515), (255, 99207), (365, 69309), (453, 55845), (459, 55115), (657, 38505), (755, 33507), (765, 33069), (1095, 23103), (1241, 20385), (1359, 18615), (1971, 12835), (2265, 11169), (2295, 11023), (2567, 9855), (3285, 7701), (3723, 6795), (4077, 6205)]