28818933

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 47190528

約数和(自身を除く): 18371595

約数列:

[1, 3, 11, 13, 31, 33, 39, 93, 121, 143, 197, 341, 363, 403, 429, 591, 1023, 1209, 1573, 2167, 2561, 3751, 4433, 4719, 6107, 6501, 7683, 11253, 13299, 18321, 23837, 28171, 48763, 67177, 71511, 79391, 84513, 146289, 201531, 238173, 309881, 738947, 873301, 929643, 2216841, 2619903, 9606311, 28818933]

約数ペア:

[(1, 28818933), (3, 9606311), (11, 2619903), (13, 2216841), (31, 929643), (33, 873301), (39, 738947), (93, 309881), (121, 238173), (143, 201531), (197, 146289), (341, 84513), (363, 79391), (403, 71511), (429, 67177), (591, 48763), (1023, 28171), (1209, 23837), (1573, 18321), (2167, 13299), (2561, 11253), (3751, 7683), (4433, 6501), (4719, 6107)]