378201813

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1\times {\mathrm{857}}^1$

素因数の和:1225

約数の個数: 32

約数和(自身を含む): 565373952

約数和(自身を除く): 187172139

約数列:

[1, 3, 11, 33, 43, 129, 311, 473, 857, 933, 1419, 2571, 3421, 9427, 10263, 13373, 28281, 36851, 40119, 110553, 147103, 266527, 405361, 441309, 799581, 1216083, 2931797, 8795391, 11460661, 34381983, 126067271, 378201813]

約数ペア:

[(1, 378201813), (3, 126067271), (11, 34381983), (33, 11460661), (43, 8795391), (129, 2931797), (311, 1216083), (473, 799581), (857, 441309), (933, 405361), (1419, 266527), (2571, 147103), (3421, 110553), (9427, 40119), (10263, 36851), (13373, 28281)]