25423875

素因数分解:

$3^8\times 5^3\times {\mathrm{31}}^1$

素因数の和:70

約数の個数: 72

約数和(自身を含む): 49126272

約数和(自身を除く): 23702397

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 81, 93, 125, 135, 155, 225, 243, 279, 375, 405, 465, 675, 729, 775, 837, 1125, 1215, 1395, 2025, 2187, 2325, 2511, 3375, 3645, 3875, 4185, 6075, 6561, 6975, 7533, 10125, 10935, 11625, 12555, 18225, 20925, 22599, 30375, 32805, 34875, 37665, 54675, 62775, 67797, 91125, 104625, 112995, 164025, 188325, 203391, 273375, 313875, 338985, 564975, 820125, 941625, 1016955, 1694925, 2824875, 5084775, 8474625, 25423875]

約数ペア:

[(1, 25423875), (3, 8474625), (5, 5084775), (9, 2824875), (15, 1694925), (25, 1016955), (27, 941625), (31, 820125), (45, 564975), (75, 338985), (81, 313875), (93, 273375), (125, 203391), (135, 188325), (155, 164025), (225, 112995), (243, 104625), (279, 91125), (375, 67797), (405, 62775), (465, 54675), (675, 37665), (729, 34875), (775, 32805), (837, 30375), (1125, 22599), (1215, 20925), (1395, 18225), (2025, 12555), (2187, 11625), (2325, 10935), (2511, 10125), (3375, 7533), (3645, 6975), (3875, 6561), (4185, 6075)]