27612321

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 43538880

約数和(自身を除く): 15926559

約数列:

[1, 3, 11, 29, 33, 43, 61, 87, 121, 129, 183, 319, 363, 473, 671, 957, 1247, 1419, 1769, 2013, 2623, 3509, 3741, 5203, 5307, 7381, 7869, 10527, 13717, 15609, 19459, 22143, 28853, 41151, 58377, 76067, 86559, 150887, 214049, 228201, 317383, 452661, 642147, 836737, 952149, 2510211, 9204107, 27612321]

約数ペア:

[(1, 27612321), (3, 9204107), (11, 2510211), (29, 952149), (33, 836737), (43, 642147), (61, 452661), (87, 317383), (121, 228201), (129, 214049), (183, 150887), (319, 86559), (363, 76067), (473, 58377), (671, 41151), (957, 28853), (1247, 22143), (1419, 19459), (1769, 15609), (2013, 13717), (2623, 10527), (3509, 7869), (3741, 7381), (5203, 5307)]