138357531

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 230630400

約数和(自身を除く): 92272869

約数列:

[1, 3, 9, 13, 27, 39, 43, 89, 103, 117, 129, 267, 309, 351, 387, 559, 801, 927, 1157, 1161, 1339, 1677, 2403, 2781, 3471, 3827, 4017, 4429, 5031, 9167, 10413, 11481, 12051, 13287, 15093, 27501, 31239, 34443, 36153, 39861, 49751, 57577, 82503, 103329, 119171, 119583, 149253, 172731, 247509, 357513, 394181, 447759, 518193, 1072539, 1182543, 1343277, 1554579, 3217617, 3547629, 5124353, 10642887, 15373059, 46119177, 138357531]

約数ペア:

[(1, 138357531), (3, 46119177), (9, 15373059), (13, 10642887), (27, 5124353), (39, 3547629), (43, 3217617), (89, 1554579), (103, 1343277), (117, 1182543), (129, 1072539), (267, 518193), (309, 447759), (351, 394181), (387, 357513), (559, 247509), (801, 172731), (927, 149253), (1157, 119583), (1161, 119171), (1339, 103329), (1677, 82503), (2403, 57577), (2781, 49751), (3471, 39861), (3827, 36153), (4017, 34443), (4429, 31239), (5031, 27501), (9167, 15093), (10413, 13287), (11481, 12051)]