54928125

素因数分解:

$3^4\times 5^5\times 7^1\times {\mathrm{31}}^1$

素因数の和:75

約数の個数: 120

約数和(自身を含む): 120992256

約数和(自身を除く): 66064131

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 31, 35, 45, 63, 75, 81, 93, 105, 125, 135, 155, 175, 189, 217, 225, 279, 315, 375, 405, 465, 525, 567, 625, 651, 675, 775, 837, 875, 945, 1085, 1125, 1395, 1575, 1875, 1953, 2025, 2325, 2511, 2625, 2835, 3125, 3255, 3375, 3875, 4185, 4375, 4725, 5425, 5625, 5859, 6975, 7875, 9375, 9765, 10125, 11625, 12555, 13125, 14175, 16275, 16875, 17577, 19375, 20925, 21875, 23625, 27125, 28125, 29295, 34875, 39375, 48825, 50625, 58125, 62775, 65625, 70875, 81375, 84375, 87885, 96875, 104625, 118125, 135625, 146475, 174375, 196875, 244125, 253125, 290625, 313875, 354375, 406875, 439425, 523125, 590625, 678125, 732375, 871875, 1220625, 1569375, 1771875, 2034375, 2197125, 2615625, 3661875, 6103125, 7846875, 10985625, 18309375, 54928125]

約数ペア:

[(1, 54928125), (3, 18309375), (5, 10985625), (7, 7846875), (9, 6103125), (15, 3661875), (21, 2615625), (25, 2197125), (27, 2034375), (31, 1771875), (35, 1569375), (45, 1220625), (63, 871875), (75, 732375), (81, 678125), (93, 590625), (105, 523125), (125, 439425), (135, 406875), (155, 354375), (175, 313875), (189, 290625), (217, 253125), (225, 244125), (279, 196875), (315, 174375), (375, 146475), (405, 135625), (465, 118125), (525, 104625), (567, 96875), (625, 87885), (651, 84375), (675, 81375), (775, 70875), (837, 65625), (875, 62775), (945, 58125), (1085, 50625), (1125, 48825), (1395, 39375), (1575, 34875), (1875, 29295), (1953, 28125), (2025, 27125), (2325, 23625), (2511, 21875), (2625, 20925), (2835, 19375), (3125, 17577), (3255, 16875), (3375, 16275), (3875, 14175), (4185, 13125), (4375, 12555), (4725, 11625), (5425, 10125), (5625, 9765), (5859, 9375), (6975, 7875)]