27978885

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:335

約数の個数: 64

約数和(自身を含む): 55157760

約数和(自身を除く): 27178875

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 83, 99, 135, 165, 227, 249, 297, 415, 495, 681, 747, 913, 1135, 1245, 1485, 2043, 2241, 2497, 2739, 3405, 3735, 4565, 6129, 7491, 8217, 10215, 11205, 12485, 13695, 18841, 22473, 24651, 30645, 37455, 41085, 56523, 67419, 94205, 112365, 123255, 169569, 207251, 282615, 337095, 508707, 621753, 847845, 1036255, 1865259, 2543535, 3108765, 5595777, 9326295, 27978885]

約数ペア:

[(1, 27978885), (3, 9326295), (5, 5595777), (9, 3108765), (11, 2543535), (15, 1865259), (27, 1036255), (33, 847845), (45, 621753), (55, 508707), (83, 337095), (99, 282615), (135, 207251), (165, 169569), (227, 123255), (249, 112365), (297, 94205), (415, 67419), (495, 56523), (681, 41085), (747, 37455), (913, 30645), (1135, 24651), (1245, 22473), (1485, 18841), (2043, 13695), (2241, 12485), (2497, 11205), (2739, 10215), (3405, 8217), (3735, 7491), (4565, 6129)]