13991211

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 23319296

約数和(自身を除く): 9328085

約数列:

[1, 3, 9, 13, 27, 39, 43, 81, 103, 117, 129, 243, 309, 351, 387, 559, 927, 1053, 1161, 1339, 1677, 2781, 3159, 3483, 4017, 4429, 5031, 8343, 10449, 12051, 13287, 15093, 25029, 36153, 39861, 45279, 57577, 108459, 119583, 135837, 172731, 325377, 358749, 518193, 1076247, 1554579, 4663737, 13991211]

約数ペア:

[(1, 13991211), (3, 4663737), (9, 1554579), (13, 1076247), (27, 518193), (39, 358749), (43, 325377), (81, 172731), (103, 135837), (117, 119583), (129, 108459), (243, 57577), (309, 45279), (351, 39861), (387, 36153), (559, 25029), (927, 15093), (1053, 13287), (1161, 12051), (1339, 10449), (1677, 8343), (2781, 5031), (3159, 4429), (3483, 4017)]