38807937

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 70502400

約数和(自身を除く): 31694463

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 101, 107, 133, 171, 189, 303, 321, 399, 513, 707, 749, 909, 963, 1197, 1919, 2033, 2121, 2247, 2727, 2889, 3591, 5757, 6099, 6363, 6741, 10807, 13433, 14231, 17271, 18297, 19089, 20223, 32421, 40299, 42693, 51813, 54891, 75649, 97263, 120897, 128079, 205333, 226947, 291789, 362691, 384237, 615999, 680841, 1437331, 1847997, 2042523, 4311993, 5543991, 12935979, 38807937]

約数ペア:

[(1, 38807937), (3, 12935979), (7, 5543991), (9, 4311993), (19, 2042523), (21, 1847997), (27, 1437331), (57, 680841), (63, 615999), (101, 384237), (107, 362691), (133, 291789), (171, 226947), (189, 205333), (303, 128079), (321, 120897), (399, 97263), (513, 75649), (707, 54891), (749, 51813), (909, 42693), (963, 40299), (1197, 32421), (1919, 20223), (2033, 19089), (2121, 18297), (2247, 17271), (2727, 14231), (2889, 13433), (3591, 10807), (5757, 6741), (6099, 6363)]