228736521

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:287

約数の個数: 64

約数和(自身を含む): 377932800

約数和(自身を除く): 149196279

約数列:

[1, 3, 9, 13, 27, 39, 73, 79, 113, 117, 219, 237, 339, 351, 657, 711, 949, 1017, 1027, 1469, 1971, 2133, 2847, 3051, 3081, 4407, 5767, 8249, 8541, 8927, 9243, 13221, 17301, 24747, 25623, 26781, 27729, 39663, 51903, 74241, 74971, 80343, 107237, 116051, 155709, 222723, 224913, 241029, 321711, 348153, 651671, 674739, 965133, 1044459, 1955013, 2024217, 2895399, 3133377, 5865039, 8471723, 17595117, 25415169, 76245507, 228736521]

約数ペア:

[(1, 228736521), (3, 76245507), (9, 25415169), (13, 17595117), (27, 8471723), (39, 5865039), (73, 3133377), (79, 2895399), (113, 2024217), (117, 1955013), (219, 1044459), (237, 965133), (339, 674739), (351, 651671), (657, 348153), (711, 321711), (949, 241029), (1017, 224913), (1027, 222723), (1469, 155709), (1971, 116051), (2133, 107237), (2847, 80343), (3051, 74971), (3081, 74241), (4407, 51903), (5767, 39663), (8249, 27729), (8541, 26781), (8927, 25623), (9243, 24747), (13221, 17301)]