27190449

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{571}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 47471424

約数和(自身を除く): 20280975

約数列:

[1, 3, 9, 11, 13, 33, 37, 39, 99, 111, 117, 143, 333, 407, 429, 481, 571, 1221, 1287, 1443, 1713, 3663, 4329, 5139, 5291, 6281, 7423, 15873, 18843, 21127, 22269, 47619, 56529, 63381, 66807, 81653, 190143, 232397, 244959, 274651, 697191, 734877, 823953, 2091573, 2471859, 3021161, 9063483, 27190449]

約数ペア:

[(1, 27190449), (3, 9063483), (9, 3021161), (11, 2471859), (13, 2091573), (33, 823953), (37, 734877), (39, 697191), (99, 274651), (111, 244959), (117, 232397), (143, 190143), (333, 81653), (407, 66807), (429, 63381), (481, 56529), (571, 47619), (1221, 22269), (1287, 21127), (1443, 18843), (1713, 15873), (3663, 7423), (4329, 6281), (5139, 5291)]