28957005

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:227

約数の個数: 96

約数和(自身を含む): 64067328

約数和(自身を除く): 35110323

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 61, 63, 77, 99, 105, 137, 165, 183, 231, 305, 315, 385, 411, 427, 495, 549, 671, 685, 693, 915, 959, 1155, 1233, 1281, 1507, 2013, 2055, 2135, 2745, 2877, 3355, 3465, 3843, 4521, 4697, 4795, 6039, 6165, 6405, 7535, 8357, 8631, 10065, 10549, 13563, 14091, 14385, 19215, 22605, 23485, 25071, 30195, 31647, 41785, 42273, 43155, 52745, 58499, 67815, 70455, 75213, 91927, 94941, 125355, 158235, 175497, 211365, 275781, 292495, 376065, 459635, 474705, 526491, 643489, 827343, 877485, 1378905, 1930467, 2632455, 3217445, 4136715, 5791401, 9652335, 28957005]

約数ペア:

[(1, 28957005), (3, 9652335), (5, 5791401), (7, 4136715), (9, 3217445), (11, 2632455), (15, 1930467), (21, 1378905), (33, 877485), (35, 827343), (45, 643489), (55, 526491), (61, 474705), (63, 459635), (77, 376065), (99, 292495), (105, 275781), (137, 211365), (165, 175497), (183, 158235), (231, 125355), (305, 94941), (315, 91927), (385, 75213), (411, 70455), (427, 67815), (495, 58499), (549, 52745), (671, 43155), (685, 42273), (693, 41785), (915, 31647), (959, 30195), (1155, 25071), (1233, 23485), (1281, 22605), (1507, 19215), (2013, 14385), (2055, 14091), (2135, 13563), (2745, 10549), (2877, 10065), (3355, 8631), (3465, 8357), (3843, 7535), (4521, 6405), (4697, 6165), (4795, 6039)]