138793809

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 240261120

約数和(自身を除く): 101467311

約数列:

[1, 3, 7, 11, 21, 33, 43, 77, 89, 129, 157, 231, 267, 301, 471, 473, 623, 903, 979, 1099, 1419, 1727, 1869, 2937, 3297, 3311, 3827, 5181, 6751, 6853, 9933, 11481, 12089, 13973, 20253, 20559, 26789, 36267, 41919, 42097, 47257, 74261, 80367, 97811, 126291, 141771, 153703, 222783, 293433, 294679, 461109, 519827, 600839, 884037, 1075921, 1559481, 1802517, 3227763, 4205873, 6609229, 12617619, 19827687, 46264603, 138793809]

約数ペア:

[(1, 138793809), (3, 46264603), (7, 19827687), (11, 12617619), (21, 6609229), (33, 4205873), (43, 3227763), (77, 1802517), (89, 1559481), (129, 1075921), (157, 884037), (231, 600839), (267, 519827), (301, 461109), (471, 294679), (473, 293433), (623, 222783), (903, 153703), (979, 141771), (1099, 126291), (1419, 97811), (1727, 80367), (1869, 74261), (2937, 47257), (3297, 42097), (3311, 41919), (3827, 36267), (5181, 26789), (6751, 20559), (6853, 20253), (9933, 13973), (11481, 12089)]