513975

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1$

素因数の和:120

約数の個数: 48

約数和(自身を含む): 1071360

約数和(自身を除く): 557385

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 89, 105, 165, 175, 231, 267, 275, 385, 445, 525, 623, 825, 979, 1155, 1335, 1869, 1925, 2225, 2937, 3115, 4895, 5775, 6675, 6853, 9345, 14685, 15575, 20559, 24475, 34265, 46725, 73425, 102795, 171325, 513975]

約数ペア:

[(1, 513975), (3, 171325), (5, 102795), (7, 73425), (11, 46725), (15, 34265), (21, 24475), (25, 20559), (33, 15575), (35, 14685), (55, 9345), (75, 6853), (77, 6675), (89, 5775), (105, 4895), (165, 3115), (175, 2937), (231, 2225), (267, 1925), (275, 1869), (385, 1335), (445, 1155), (525, 979), (623, 825)]