28128195

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9059}}^1$

素因数の和:9096

約数の個数: 32

約数和(自身を含む): 52185600

約数和(自身を除く): 24057405

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 9059, 27177, 45295, 81531, 135885, 208357, 244593, 407655, 625071, 1041785, 1222965, 1875213, 3125355, 5625639, 9376065, 28128195]

約数ペア:

[(1, 28128195), (3, 9376065), (5, 5625639), (9, 3125355), (15, 1875213), (23, 1222965), (27, 1041785), (45, 625071), (69, 407655), (115, 244593), (135, 208357), (207, 135885), (345, 81531), (621, 45295), (1035, 27177), (3105, 9059)]