39643947

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{383}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 69009408

約数和(自身を除く): 29365461

約数列:

[1, 3, 7, 9, 21, 31, 53, 63, 93, 159, 217, 279, 371, 383, 477, 651, 1113, 1149, 1643, 1953, 2681, 3339, 3447, 4929, 8043, 11501, 11873, 14787, 20299, 24129, 34503, 35619, 60897, 83111, 103509, 106857, 142093, 182691, 249333, 426279, 629269, 747999, 1278837, 1887807, 4404883, 5663421, 13214649, 39643947]

約数ペア:

[(1, 39643947), (3, 13214649), (7, 5663421), (9, 4404883), (21, 1887807), (31, 1278837), (53, 747999), (63, 629269), (93, 426279), (159, 249333), (217, 182691), (279, 142093), (371, 106857), (383, 103509), (477, 83111), (651, 60897), (1113, 35619), (1149, 34503), (1643, 24129), (1953, 20299), (2681, 14787), (3339, 11873), (3447, 11501), (4929, 8043)]