15914997

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 28154880

約数和(自身を除く): 12239883

約数列:

[1, 3, 7, 9, 21, 29, 31, 63, 87, 93, 203, 217, 261, 279, 281, 609, 651, 843, 899, 1827, 1953, 1967, 2529, 2697, 5901, 6293, 8091, 8149, 8711, 17703, 18879, 24447, 26133, 56637, 57043, 60977, 73341, 78399, 171129, 182931, 252619, 513387, 548793, 757857, 1768333, 2273571, 5304999, 15914997]

約数ペア:

[(1, 15914997), (3, 5304999), (7, 2273571), (9, 1768333), (21, 757857), (29, 548793), (31, 513387), (63, 252619), (87, 182931), (93, 171129), (203, 78399), (217, 73341), (261, 60977), (279, 57043), (281, 56637), (609, 26133), (651, 24447), (843, 18879), (899, 17703), (1827, 8711), (1953, 8149), (1967, 8091), (2529, 6293), (2697, 5901)]