27808305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:350

約数の個数: 64

約数和(自身を含む): 54743040

約数和(自身を除く): 26934735

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 53, 57, 95, 105, 133, 159, 263, 265, 285, 371, 399, 665, 789, 795, 1007, 1113, 1315, 1841, 1855, 1995, 3021, 3945, 4997, 5035, 5523, 5565, 7049, 9205, 13939, 14991, 15105, 21147, 24985, 27615, 34979, 35245, 41817, 69695, 74955, 97573, 104937, 105735, 174895, 209085, 264841, 292719, 487865, 524685, 794523, 1324205, 1463595, 1853887, 3972615, 5561661, 9269435, 27808305]

約数ペア:

[(1, 27808305), (3, 9269435), (5, 5561661), (7, 3972615), (15, 1853887), (19, 1463595), (21, 1324205), (35, 794523), (53, 524685), (57, 487865), (95, 292719), (105, 264841), (133, 209085), (159, 174895), (263, 105735), (265, 104937), (285, 97573), (371, 74955), (399, 69695), (665, 41817), (789, 35245), (795, 34979), (1007, 27615), (1113, 24985), (1315, 21147), (1841, 15105), (1855, 14991), (1995, 13939), (3021, 9205), (3945, 7049), (4997, 5565), (5035, 5523)]