81486409815

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{190271}}^1$

素因数の和:190620

約数の個数: 48

約数和(自身を含む): 146275024896

約数和(自身を除く): 64788615081

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 307, 465, 921, 1395, 1535, 2763, 4605, 9517, 13815, 28551, 47585, 85653, 142755, 190271, 428265, 570813, 951355, 1712439, 2854065, 5898401, 8562195, 17695203, 29492005, 53085609, 58413197, 88476015, 175239591, 265428045, 292065985, 525718773, 876197955, 1810809107, 2628593865, 5432427321, 9054045535, 16297281963, 27162136605, 81486409815]

約数ペア:

[(1, 81486409815), (3, 27162136605), (5, 16297281963), (9, 9054045535), (15, 5432427321), (31, 2628593865), (45, 1810809107), (93, 876197955), (155, 525718773), (279, 292065985), (307, 265428045), (465, 175239591), (921, 88476015), (1395, 58413197), (1535, 53085609), (2763, 29492005), (4605, 17695203), (9517, 8562195), (13815, 5898401), (28551, 2854065), (47585, 1712439), (85653, 951355), (142755, 570813), (190271, 428265)]