28852971

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:152

約数の個数: 64

約数和(自身を含む): 49545216

約数和(自身を除く): 20692245

約数列:

[1, 3, 7, 21, 23, 31, 41, 47, 69, 93, 123, 141, 161, 217, 287, 329, 483, 651, 713, 861, 943, 987, 1081, 1271, 1457, 1927, 2139, 2829, 3243, 3813, 4371, 4991, 5781, 6601, 7567, 8897, 10199, 13489, 14973, 19803, 22701, 26691, 29233, 30597, 33511, 40467, 44321, 59737, 87699, 100533, 132963, 179211, 204631, 234577, 310247, 418159, 613893, 703731, 930741, 1254477, 1373951, 4121853, 9617657, 28852971]

約数ペア:

[(1, 28852971), (3, 9617657), (7, 4121853), (21, 1373951), (23, 1254477), (31, 930741), (41, 703731), (47, 613893), (69, 418159), (93, 310247), (123, 234577), (141, 204631), (161, 179211), (217, 132963), (287, 100533), (329, 87699), (483, 59737), (651, 44321), (713, 40467), (861, 33511), (943, 30597), (987, 29233), (1081, 26691), (1271, 22701), (1457, 19803), (1927, 14973), (2139, 13489), (2829, 10199), (3243, 8897), (3813, 7567), (4371, 6601), (4991, 5781)]