55996875

素因数分解:

$3^2\times 5^5\times {\mathrm{11}}^1\times {\mathrm{181}}^1$

素因数の和:223

約数の個数: 72

約数和(自身を含む): 110899152

約数和(自身を除く): 54902277

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 125, 165, 181, 225, 275, 375, 495, 543, 625, 825, 905, 1125, 1375, 1629, 1875, 1991, 2475, 2715, 3125, 4125, 4525, 5625, 5973, 6875, 8145, 9375, 9955, 12375, 13575, 17919, 20625, 22625, 28125, 29865, 34375, 40725, 49775, 61875, 67875, 89595, 103125, 113125, 149325, 203625, 248875, 309375, 339375, 447975, 565625, 746625, 1018125, 1244375, 1696875, 2239875, 3733125, 5090625, 6221875, 11199375, 18665625, 55996875]

約数ペア:

[(1, 55996875), (3, 18665625), (5, 11199375), (9, 6221875), (11, 5090625), (15, 3733125), (25, 2239875), (33, 1696875), (45, 1244375), (55, 1018125), (75, 746625), (99, 565625), (125, 447975), (165, 339375), (181, 309375), (225, 248875), (275, 203625), (375, 149325), (495, 113125), (543, 103125), (625, 89595), (825, 67875), (905, 61875), (1125, 49775), (1375, 40725), (1629, 34375), (1875, 29865), (1991, 28125), (2475, 22625), (2715, 20625), (3125, 17919), (4125, 13575), (4525, 12375), (5625, 9955), (5973, 9375), (6875, 8145)]