1890315

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 3976128

約数和(自身を除く): 2085813

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 153, 255, 315, 353, 357, 595, 765, 1059, 1071, 1765, 1785, 2471, 3177, 5295, 5355, 6001, 7413, 12355, 15885, 18003, 22239, 30005, 37065, 42007, 54009, 90015, 111195, 126021, 210035, 270045, 378063, 630105, 1890315]

約数ペア:

[(1, 1890315), (3, 630105), (5, 378063), (7, 270045), (9, 210035), (15, 126021), (17, 111195), (21, 90015), (35, 54009), (45, 42007), (51, 37065), (63, 30005), (85, 22239), (105, 18003), (119, 15885), (153, 12355), (255, 7413), (315, 6001), (353, 5355), (357, 5295), (595, 3177), (765, 2471), (1059, 1785), (1071, 1765)]