15942339

素因数分解:

$3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{907}}^1$

素因数の和:957

約数の個数: 40

約数和(自身を含む): 28126208

約数和(自身を除く): 12183869

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 189, 217, 279, 567, 651, 837, 907, 1953, 2511, 2721, 5859, 6349, 8163, 17577, 19047, 24489, 28117, 57141, 73467, 84351, 171423, 196819, 253053, 514269, 590457, 759159, 1771371, 2277477, 5314113, 15942339]

約数ペア:

[(1, 15942339), (3, 5314113), (7, 2277477), (9, 1771371), (21, 759159), (27, 590457), (31, 514269), (63, 253053), (81, 196819), (93, 171423), (189, 84351), (217, 73467), (279, 57141), (567, 28117), (651, 24489), (837, 19047), (907, 17577), (1953, 8163), (2511, 6349), (2721, 5859)]