15816339

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{787}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 29502720

約数和(自身を除く): 13686381

約数列:

[1, 3, 7, 9, 11, 21, 29, 33, 63, 77, 87, 99, 203, 231, 261, 319, 609, 693, 787, 957, 1827, 2233, 2361, 2871, 5509, 6699, 7083, 8657, 16527, 20097, 22823, 25971, 49581, 60599, 68469, 77913, 159761, 181797, 205407, 251053, 479283, 545391, 753159, 1437849, 1757371, 2259477, 5272113, 15816339]

約数ペア:

[(1, 15816339), (3, 5272113), (7, 2259477), (9, 1757371), (11, 1437849), (21, 753159), (29, 545391), (33, 479283), (63, 251053), (77, 205407), (87, 181797), (99, 159761), (203, 77913), (231, 68469), (261, 60599), (319, 49581), (609, 25971), (693, 22823), (787, 20097), (957, 16527), (1827, 8657), (2233, 7083), (2361, 6699), (2871, 5509)]