25820775

素因数分解:

$3^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:374

約数の個数: 60

約数和(自身を含む): 49153104

約数和(自身を除く): 23332329

約数列:

[1, 3, 5, 9, 15, 25, 27, 41, 45, 75, 81, 123, 135, 205, 225, 311, 369, 405, 615, 675, 933, 1025, 1107, 1555, 1845, 2025, 2799, 3075, 3321, 4665, 5535, 7775, 8397, 9225, 12751, 13995, 16605, 23325, 25191, 27675, 38253, 41985, 63755, 69975, 83025, 114759, 125955, 191265, 209925, 318775, 344277, 573795, 629775, 956325, 1032831, 1721385, 2868975, 5164155, 8606925, 25820775]

約数ペア:

[(1, 25820775), (3, 8606925), (5, 5164155), (9, 2868975), (15, 1721385), (25, 1032831), (27, 956325), (41, 629775), (45, 573795), (75, 344277), (81, 318775), (123, 209925), (135, 191265), (205, 125955), (225, 114759), (311, 83025), (369, 69975), (405, 63755), (615, 41985), (675, 38253), (933, 27675), (1025, 25191), (1107, 23325), (1555, 16605), (1845, 13995), (2025, 12751), (2799, 9225), (3075, 8397), (3321, 7775), (4665, 5535)]