72881721

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{1163}}^1$

素因数の和:1394

約数の個数: 32

約数和(自身を含む): 118448640

約数和(自身を除く): 45566919

約数列:

[1, 3, 9, 11, 27, 33, 99, 211, 297, 633, 1163, 1899, 2321, 3489, 5697, 6963, 10467, 12793, 20889, 31401, 38379, 62667, 115137, 245393, 345411, 736179, 2208537, 2699323, 6625611, 8097969, 24293907, 72881721]

約数ペア:

[(1, 72881721), (3, 24293907), (9, 8097969), (11, 6625611), (27, 2699323), (33, 2208537), (99, 736179), (211, 345411), (297, 245393), (633, 115137), (1163, 62667), (1899, 38379), (2321, 31401), (3489, 20889), (5697, 12793), (6963, 10467)]