75707775

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{181}}^1$

素因数の和:234

約数の個数: 108

約数和(自身を含む): 161067816

約数和(自身を除く): 85360041

約数列:

[1, 3, 5, 9, 11, 13, 15, 25, 33, 39, 45, 55, 65, 75, 99, 117, 143, 165, 169, 181, 195, 225, 275, 325, 429, 495, 507, 543, 585, 715, 825, 845, 905, 975, 1287, 1521, 1629, 1859, 1991, 2145, 2353, 2475, 2535, 2715, 2925, 3575, 4225, 4525, 5577, 5973, 6435, 7059, 7605, 8145, 9295, 9955, 10725, 11765, 12675, 13575, 16731, 17919, 21177, 25883, 27885, 29865, 30589, 32175, 35295, 38025, 40725, 46475, 49775, 58825, 77649, 83655, 89595, 91767, 105885, 129415, 139425, 149325, 152945, 176475, 232947, 275301, 336479, 388245, 418275, 447975, 458835, 529425, 647075, 764725, 1009437, 1164735, 1376505, 1682395, 1941225, 2294175, 3028311, 5047185, 5823675, 6882525, 8411975, 15141555, 25235925, 75707775]

約数ペア:

[(1, 75707775), (3, 25235925), (5, 15141555), (9, 8411975), (11, 6882525), (13, 5823675), (15, 5047185), (25, 3028311), (33, 2294175), (39, 1941225), (45, 1682395), (55, 1376505), (65, 1164735), (75, 1009437), (99, 764725), (117, 647075), (143, 529425), (165, 458835), (169, 447975), (181, 418275), (195, 388245), (225, 336479), (275, 275301), (325, 232947), (429, 176475), (495, 152945), (507, 149325), (543, 139425), (585, 129415), (715, 105885), (825, 91767), (845, 89595), (905, 83655), (975, 77649), (1287, 58825), (1521, 49775), (1629, 46475), (1859, 40725), (1991, 38025), (2145, 35295), (2353, 32175), (2475, 30589), (2535, 29865), (2715, 27885), (2925, 25883), (3575, 21177), (4225, 17919), (4525, 16731), (5577, 13575), (5973, 12675), (6435, 11765), (7059, 10725), (7605, 9955), (8145, 9295)]