72723861

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1619}}^1$

素因数の和:1686

約数の個数: 48

約数和(自身を含む): 129392640

約数和(自身を除く): 56668779

約数列:

[1, 3, 7, 9, 21, 23, 31, 63, 69, 93, 161, 207, 217, 279, 483, 651, 713, 1449, 1619, 1953, 2139, 4857, 4991, 6417, 11333, 14571, 14973, 33999, 37237, 44919, 50189, 101997, 111711, 150567, 260659, 335133, 351323, 451701, 781977, 1053969, 1154347, 2345931, 3161907, 3463041, 8080429, 10389123, 24241287, 72723861]

約数ペア:

[(1, 72723861), (3, 24241287), (7, 10389123), (9, 8080429), (21, 3463041), (23, 3161907), (31, 2345931), (63, 1154347), (69, 1053969), (93, 781977), (161, 451701), (207, 351323), (217, 335133), (279, 260659), (483, 150567), (651, 111711), (713, 101997), (1449, 50189), (1619, 44919), (1953, 37237), (2139, 33999), (4857, 14973), (4991, 14571), (6417, 11333)]