213675

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1$

素因数の和:68

約数の個数: 48

約数和(自身を含む): 452352

約数和(自身を除く): 238677

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 37, 55, 75, 77, 105, 111, 165, 175, 185, 231, 259, 275, 385, 407, 525, 555, 777, 825, 925, 1155, 1221, 1295, 1925, 2035, 2775, 2849, 3885, 5775, 6105, 6475, 8547, 10175, 14245, 19425, 30525, 42735, 71225, 213675]

約数ペア:

[(1, 213675), (3, 71225), (5, 42735), (7, 30525), (11, 19425), (15, 14245), (21, 10175), (25, 8547), (33, 6475), (35, 6105), (37, 5775), (55, 3885), (75, 2849), (77, 2775), (105, 2035), (111, 1925), (165, 1295), (175, 1221), (185, 1155), (231, 925), (259, 825), (275, 777), (385, 555), (407, 525)]