28830615

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 53747712

約数和(自身を除く): 24917097

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 71, 107, 115, 165, 213, 253, 321, 345, 355, 535, 759, 781, 1065, 1177, 1265, 1605, 1633, 2343, 2461, 3531, 3795, 3905, 4899, 5885, 7383, 7597, 8165, 11715, 12305, 17655, 17963, 22791, 24495, 27071, 36915, 37985, 53889, 81213, 83567, 89815, 113955, 135355, 174731, 250701, 269445, 406065, 417835, 524193, 873655, 1253505, 1922041, 2620965, 5766123, 9610205, 28830615]

約数ペア:

[(1, 28830615), (3, 9610205), (5, 5766123), (11, 2620965), (15, 1922041), (23, 1253505), (33, 873655), (55, 524193), (69, 417835), (71, 406065), (107, 269445), (115, 250701), (165, 174731), (213, 135355), (253, 113955), (321, 89815), (345, 83567), (355, 81213), (535, 53889), (759, 37985), (781, 36915), (1065, 27071), (1177, 24495), (1265, 22791), (1605, 17963), (1633, 17655), (2343, 12305), (2461, 11715), (3531, 8165), (3795, 7597), (3905, 7383), (4899, 5885)]