23398557

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 40757760

約数和(自身を除く): 17359203

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 169, 247, 273, 347, 399, 507, 741, 1041, 1183, 1729, 2429, 3211, 3549, 4511, 5187, 6593, 7287, 9633, 13533, 19779, 22477, 31577, 46151, 58643, 67431, 85709, 94731, 138453, 175929, 257127, 410501, 599963, 1114217, 1231503, 1799889, 3342651, 7799519, 23398557]

約数ペア:

[(1, 23398557), (3, 7799519), (7, 3342651), (13, 1799889), (19, 1231503), (21, 1114217), (39, 599963), (57, 410501), (91, 257127), (133, 175929), (169, 138453), (247, 94731), (273, 85709), (347, 67431), (399, 58643), (507, 46151), (741, 31577), (1041, 22477), (1183, 19779), (1729, 13533), (2429, 9633), (3211, 7287), (3549, 6593), (4511, 5187)]