15984339

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 26812800

約数和(自身を除く): 10828461

約数列:

[1, 3, 7, 19, 21, 49, 57, 59, 97, 133, 147, 177, 291, 399, 413, 679, 931, 1121, 1239, 1843, 2037, 2793, 2891, 3363, 4753, 5529, 5723, 7847, 8673, 12901, 14259, 17169, 23541, 38703, 40061, 54929, 90307, 108737, 120183, 164787, 270921, 280427, 326211, 761159, 841281, 2283477, 5328113, 15984339]

約数ペア:

[(1, 15984339), (3, 5328113), (7, 2283477), (19, 841281), (21, 761159), (49, 326211), (57, 280427), (59, 270921), (97, 164787), (133, 120183), (147, 108737), (177, 90307), (291, 54929), (399, 40061), (413, 38703), (679, 23541), (931, 17169), (1121, 14259), (1239, 12901), (1843, 8673), (2037, 7847), (2793, 5723), (2891, 5529), (3363, 4753)]