2789874

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:175

約数の個数: 48

約数和(自身を含む): 6402240

約数和(自身を除く): 3612366

約数列:

[1, 2, 3, 6, 9, 18, 37, 59, 71, 74, 111, 118, 142, 177, 213, 222, 333, 354, 426, 531, 639, 666, 1062, 1278, 2183, 2627, 4189, 4366, 5254, 6549, 7881, 8378, 12567, 13098, 15762, 19647, 23643, 25134, 37701, 39294, 47286, 75402, 154993, 309986, 464979, 929958, 1394937, 2789874]

約数ペア:

[(1, 2789874), (2, 1394937), (3, 929958), (6, 464979), (9, 309986), (18, 154993), (37, 75402), (59, 47286), (71, 39294), (74, 37701), (111, 25134), (118, 23643), (142, 19647), (177, 15762), (213, 13098), (222, 12567), (333, 8378), (354, 7881), (426, 6549), (531, 5254), (639, 4366), (666, 4189), (1062, 2627), (1278, 2183)]