28521675

素因数分解:

$3^2\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:242

約数の個数: 108

約数和(自身を含む): 64318800

約数和(自身を除く): 35797125

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 35, 39, 45, 49, 63, 65, 75, 91, 105, 117, 147, 175, 195, 199, 225, 245, 273, 315, 325, 441, 455, 525, 585, 597, 637, 735, 819, 975, 995, 1225, 1365, 1393, 1575, 1791, 1911, 2205, 2275, 2587, 2925, 2985, 3185, 3675, 4095, 4179, 4975, 5733, 6825, 6965, 7761, 8955, 9555, 9751, 11025, 12537, 12935, 14925, 15925, 18109, 20475, 20895, 23283, 28665, 29253, 34825, 38805, 44775, 47775, 48755, 54327, 62685, 64675, 87759, 90545, 104475, 116415, 126763, 143325, 146265, 162981, 194025, 243775, 271635, 313425, 380289, 438795, 452725, 582075, 633815, 731325, 814905, 1140867, 1358175, 1901445, 2193975, 3169075, 4074525, 5704335, 9507225, 28521675]

約数ペア:

[(1, 28521675), (3, 9507225), (5, 5704335), (7, 4074525), (9, 3169075), (13, 2193975), (15, 1901445), (21, 1358175), (25, 1140867), (35, 814905), (39, 731325), (45, 633815), (49, 582075), (63, 452725), (65, 438795), (75, 380289), (91, 313425), (105, 271635), (117, 243775), (147, 194025), (175, 162981), (195, 146265), (199, 143325), (225, 126763), (245, 116415), (273, 104475), (315, 90545), (325, 87759), (441, 64675), (455, 62685), (525, 54327), (585, 48755), (597, 47775), (637, 44775), (735, 38805), (819, 34825), (975, 29253), (995, 28665), (1225, 23283), (1365, 20895), (1393, 20475), (1575, 18109), (1791, 15925), (1911, 14925), (2205, 12935), (2275, 12537), (2587, 11025), (2925, 9751), (2985, 9555), (3185, 8955), (3675, 7761), (4095, 6965), (4179, 6825), (4975, 5733)]