351346233

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1\times {\mathrm{1361}}^1$

素因数の和:2037

約数の個数: 32

約数和(自身を含む): 564848640

約数和(自身を除く): 213502407

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 647, 1361, 1941, 4083, 4529, 9527, 12293, 13587, 25859, 28581, 36879, 77577, 86051, 181013, 258153, 543039, 880567, 2641701, 6163969, 16730773, 18491907, 50192319, 117115411, 351346233]

約数ペア:

[(1, 351346233), (3, 117115411), (7, 50192319), (19, 18491907), (21, 16730773), (57, 6163969), (133, 2641701), (399, 880567), (647, 543039), (1361, 258153), (1941, 181013), (4083, 86051), (4529, 77577), (9527, 36879), (12293, 28581), (13587, 25859)]