27906345

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 51517440

約数和(自身を除く): 23611095

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 127, 171, 257, 285, 381, 635, 771, 855, 1143, 1285, 1905, 2313, 2413, 3855, 4883, 5715, 7239, 11565, 12065, 14649, 21717, 24415, 32639, 36195, 43947, 73245, 97917, 108585, 163195, 219735, 293751, 489585, 620141, 1468755, 1860423, 3100705, 5581269, 9302115, 27906345]

約数ペア:

[(1, 27906345), (3, 9302115), (5, 5581269), (9, 3100705), (15, 1860423), (19, 1468755), (45, 620141), (57, 489585), (95, 293751), (127, 219735), (171, 163195), (257, 108585), (285, 97917), (381, 73245), (635, 43947), (771, 36195), (855, 32639), (1143, 24415), (1285, 21717), (1905, 14649), (2313, 12065), (2413, 11565), (3855, 7239), (4883, 5715)]