56256165

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{823}}^1$

素因数の和:879

約数の個数: 72

約数和(自身を含む): 117232128

約数和(自身を除く): 60975963

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 49, 63, 93, 105, 147, 155, 217, 245, 279, 315, 441, 465, 651, 735, 823, 1085, 1395, 1519, 1953, 2205, 2469, 3255, 4115, 4557, 5761, 7407, 7595, 9765, 12345, 13671, 17283, 22785, 25513, 28805, 37035, 40327, 51849, 68355, 76539, 86415, 120981, 127565, 178591, 201635, 229617, 259245, 362943, 382695, 535773, 604905, 892955, 1148085, 1250137, 1607319, 1814715, 2678865, 3750411, 6250685, 8036595, 11251233, 18752055, 56256165]

約数ペア:

[(1, 56256165), (3, 18752055), (5, 11251233), (7, 8036595), (9, 6250685), (15, 3750411), (21, 2678865), (31, 1814715), (35, 1607319), (45, 1250137), (49, 1148085), (63, 892955), (93, 604905), (105, 535773), (147, 382695), (155, 362943), (217, 259245), (245, 229617), (279, 201635), (315, 178591), (441, 127565), (465, 120981), (651, 86415), (735, 76539), (823, 68355), (1085, 51849), (1395, 40327), (1519, 37035), (1953, 28805), (2205, 25513), (2469, 22785), (3255, 17283), (4115, 13671), (4557, 12345), (5761, 9765), (7407, 7595)]