42290721

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:235

約数の個数: 64

約数和(自身を含む): 73543680

約数和(自身を除く): 31252959

約数列:

[1, 3, 9, 11, 23, 27, 33, 41, 69, 99, 123, 151, 207, 253, 297, 369, 451, 453, 621, 759, 943, 1107, 1353, 1359, 1661, 2277, 2829, 3473, 4059, 4077, 4983, 6191, 6831, 8487, 10373, 10419, 12177, 14949, 18573, 25461, 31119, 31257, 38203, 44847, 55719, 68101, 93357, 93771, 114609, 142393, 167157, 204303, 280071, 343827, 427179, 612909, 1031481, 1281537, 1566323, 1838727, 3844611, 4698969, 14096907, 42290721]

約数ペア:

[(1, 42290721), (3, 14096907), (9, 4698969), (11, 3844611), (23, 1838727), (27, 1566323), (33, 1281537), (41, 1031481), (69, 612909), (99, 427179), (123, 343827), (151, 280071), (207, 204303), (253, 167157), (297, 142393), (369, 114609), (451, 93771), (453, 93357), (621, 68101), (759, 55719), (943, 44847), (1107, 38203), (1353, 31257), (1359, 31119), (1661, 25461), (2277, 18573), (2829, 14949), (3473, 12177), (4059, 10419), (4077, 10373), (4983, 8487), (6191, 6831)]