205459815

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:333

約数の個数: 64

約数和(自身を含む): 371879424

約数和(自身を除く): 166419609

約数列:

[1, 3, 5, 11, 15, 33, 41, 55, 121, 123, 165, 205, 251, 363, 451, 605, 615, 753, 1255, 1331, 1353, 1815, 2255, 2761, 3765, 3993, 4961, 6655, 6765, 8283, 10291, 13805, 14883, 19965, 24805, 30371, 30873, 41415, 51455, 54571, 74415, 91113, 113201, 151855, 154365, 163713, 272855, 334081, 339603, 455565, 566005, 818565, 1002243, 1245211, 1670405, 1698015, 3735633, 5011215, 6226055, 13697321, 18678165, 41091963, 68486605, 205459815]

約数ペア:

[(1, 205459815), (3, 68486605), (5, 41091963), (11, 18678165), (15, 13697321), (33, 6226055), (41, 5011215), (55, 3735633), (121, 1698015), (123, 1670405), (165, 1245211), (205, 1002243), (251, 818565), (363, 566005), (451, 455565), (605, 339603), (615, 334081), (753, 272855), (1255, 163713), (1331, 154365), (1353, 151855), (1815, 113201), (2255, 91113), (2761, 74415), (3765, 54571), (3993, 51455), (4961, 41415), (6655, 30873), (6765, 30371), (8283, 24805), (10291, 19965), (13805, 14883)]