28515375

素因数分解:

$3^3\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:119

約数の個数: 128

約数和(自身を含む): 64696320

約数和(自身を除く): 36180945

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 25, 27, 35, 45, 51, 63, 71, 75, 85, 105, 119, 125, 135, 153, 175, 189, 213, 225, 255, 315, 355, 357, 375, 425, 459, 497, 525, 595, 639, 675, 765, 875, 945, 1065, 1071, 1125, 1207, 1275, 1491, 1575, 1775, 1785, 1917, 2125, 2295, 2485, 2625, 2975, 3195, 3213, 3375, 3621, 3825, 4473, 4725, 5325, 5355, 6035, 6375, 7455, 7875, 8449, 8875, 8925, 9585, 10863, 11475, 12425, 13419, 14875, 15975, 16065, 18105, 19125, 22365, 23625, 25347, 26625, 26775, 30175, 32589, 37275, 42245, 44625, 47925, 54315, 57375, 62125, 67095, 76041, 79875, 80325, 90525, 111825, 126735, 133875, 150875, 162945, 186375, 211225, 228123, 239625, 271575, 335475, 380205, 401625, 452625, 559125, 633675, 814725, 1056125, 1140615, 1357875, 1677375, 1901025, 3168375, 4073625, 5703075, 9505125, 28515375]

約数ペア:

[(1, 28515375), (3, 9505125), (5, 5703075), (7, 4073625), (9, 3168375), (15, 1901025), (17, 1677375), (21, 1357875), (25, 1140615), (27, 1056125), (35, 814725), (45, 633675), (51, 559125), (63, 452625), (71, 401625), (75, 380205), (85, 335475), (105, 271575), (119, 239625), (125, 228123), (135, 211225), (153, 186375), (175, 162945), (189, 150875), (213, 133875), (225, 126735), (255, 111825), (315, 90525), (355, 80325), (357, 79875), (375, 76041), (425, 67095), (459, 62125), (497, 57375), (525, 54315), (595, 47925), (639, 44625), (675, 42245), (765, 37275), (875, 32589), (945, 30175), (1065, 26775), (1071, 26625), (1125, 25347), (1207, 23625), (1275, 22365), (1491, 19125), (1575, 18105), (1775, 16065), (1785, 15975), (1917, 14875), (2125, 13419), (2295, 12425), (2485, 11475), (2625, 10863), (2975, 9585), (3195, 8925), (3213, 8875), (3375, 8449), (3621, 7875), (3825, 7455), (4473, 6375), (4725, 6035), (5325, 5355)]