26500815

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 52450944

約数和(自身を除く): 25950129

約数列:

[1, 3, 5, 9, 11, 15, 31, 33, 45, 55, 93, 99, 121, 155, 157, 165, 279, 341, 363, 465, 471, 495, 605, 785, 1023, 1089, 1395, 1413, 1705, 1727, 1815, 2355, 3069, 3751, 4867, 5115, 5181, 5445, 7065, 8635, 11253, 14601, 15345, 15543, 18755, 18997, 24335, 25905, 33759, 43803, 53537, 56265, 56991, 73005, 77715, 94985, 160611, 168795, 170973, 219015, 267685, 284955, 481833, 588907, 803055, 854865, 1766721, 2409165, 2944535, 5300163, 8833605, 26500815]

約数ペア:

[(1, 26500815), (3, 8833605), (5, 5300163), (9, 2944535), (11, 2409165), (15, 1766721), (31, 854865), (33, 803055), (45, 588907), (55, 481833), (93, 284955), (99, 267685), (121, 219015), (155, 170973), (157, 168795), (165, 160611), (279, 94985), (341, 77715), (363, 73005), (465, 56991), (471, 56265), (495, 53537), (605, 43803), (785, 33759), (1023, 25905), (1089, 24335), (1395, 18997), (1413, 18755), (1705, 15543), (1727, 15345), (1815, 14601), (2355, 11253), (3069, 8635), (3751, 7065), (4867, 5445), (5115, 5181)]