55890135

素因数分解:

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

素因数の和:123

約数の個数: 128

約数和(自身を含む): 124416000

約数和(自身を除く): 68525865

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 45, 49, 51, 63, 71, 85, 105, 119, 135, 147, 153, 189, 213, 245, 255, 315, 343, 355, 357, 441, 459, 497, 595, 639, 735, 765, 833, 945, 1029, 1065, 1071, 1207, 1323, 1491, 1715, 1785, 1917, 2205, 2295, 2485, 2499, 3087, 3195, 3213, 3479, 3621, 4165, 4473, 5145, 5355, 5831, 6035, 6615, 7455, 7497, 8449, 9261, 9585, 10437, 10863, 12495, 13419, 15435, 16065, 17395, 17493, 18105, 22365, 22491, 24353, 25347, 29155, 31311, 32589, 37485, 42245, 46305, 52185, 52479, 54315, 59143, 67095, 73059, 76041, 87465, 93933, 112455, 121765, 126735, 156555, 157437, 162945, 177429, 219177, 228123, 262395, 295715, 365295, 380205, 414001, 469665, 532287, 657531, 787185, 887145, 1095885, 1140615, 1242003, 1596861, 2070005, 2661435, 3287655, 3726009, 6210015, 7984305, 11178027, 18630045, 55890135]

約数ペア:

[(1, 55890135), (3, 18630045), (5, 11178027), (7, 7984305), (9, 6210015), (15, 3726009), (17, 3287655), (21, 2661435), (27, 2070005), (35, 1596861), (45, 1242003), (49, 1140615), (51, 1095885), (63, 887145), (71, 787185), (85, 657531), (105, 532287), (119, 469665), (135, 414001), (147, 380205), (153, 365295), (189, 295715), (213, 262395), (245, 228123), (255, 219177), (315, 177429), (343, 162945), (355, 157437), (357, 156555), (441, 126735), (459, 121765), (497, 112455), (595, 93933), (639, 87465), (735, 76041), (765, 73059), (833, 67095), (945, 59143), (1029, 54315), (1065, 52479), (1071, 52185), (1207, 46305), (1323, 42245), (1491, 37485), (1715, 32589), (1785, 31311), (1917, 29155), (2205, 25347), (2295, 24353), (2485, 22491), (2499, 22365), (3087, 18105), (3195, 17493), (3213, 17395), (3479, 16065), (3621, 15435), (4165, 13419), (4473, 12495), (5145, 10863), (5355, 10437), (5831, 9585), (6035, 9261), (6615, 8449), (7455, 7497)]