1894815

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 3669120

約数和(自身を除く): 1774305

約数列:

[1, 3, 5, 9, 13, 15, 39, 41, 45, 65, 79, 117, 123, 195, 205, 237, 369, 395, 533, 585, 615, 711, 1027, 1185, 1599, 1845, 2665, 3081, 3239, 3555, 4797, 5135, 7995, 9243, 9717, 15405, 16195, 23985, 29151, 42107, 46215, 48585, 126321, 145755, 210535, 378963, 631605, 1894815]

約数ペア:

[(1, 1894815), (3, 631605), (5, 378963), (9, 210535), (13, 145755), (15, 126321), (39, 48585), (41, 46215), (45, 42107), (65, 29151), (79, 23985), (117, 16195), (123, 15405), (195, 9717), (205, 9243), (237, 7995), (369, 5135), (395, 4797), (533, 3555), (585, 3239), (615, 3081), (711, 2665), (1027, 1845), (1185, 1599)]