291257631

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{4591}}^1$

素因数の和:4676

約数の個数: 48

約数和(自身を含む): 515773440

約数和(自身を除く): 224515809

約数列:

[1, 3, 7, 9, 19, 21, 53, 57, 63, 133, 159, 171, 371, 399, 477, 1007, 1113, 1197, 3021, 3339, 4591, 7049, 9063, 13773, 21147, 32137, 41319, 63441, 87229, 96411, 243323, 261687, 289233, 610603, 729969, 785061, 1703261, 1831809, 2189907, 4623137, 5109783, 5495427, 13869411, 15329349, 32361959, 41608233, 97085877, 291257631]

約数ペア:

[(1, 291257631), (3, 97085877), (7, 41608233), (9, 32361959), (19, 15329349), (21, 13869411), (53, 5495427), (57, 5109783), (63, 4623137), (133, 2189907), (159, 1831809), (171, 1703261), (371, 785061), (399, 729969), (477, 610603), (1007, 289233), (1113, 261687), (1197, 243323), (3021, 96411), (3339, 87229), (4591, 63441), (7049, 41319), (9063, 32137), (13773, 21147)]