25819731

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 45167616

約数和(自身を除く): 19347885

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 103, 161, 173, 207, 309, 483, 519, 721, 927, 1211, 1449, 1557, 2163, 2369, 3633, 3979, 6489, 7107, 10899, 11937, 16583, 17819, 21321, 27853, 35811, 49749, 53457, 83559, 124733, 149247, 160371, 250677, 374199, 409837, 1122597, 1229511, 2868859, 3688533, 8606577, 25819731]

約数ペア:

[(1, 25819731), (3, 8606577), (7, 3688533), (9, 2868859), (21, 1229511), (23, 1122597), (63, 409837), (69, 374199), (103, 250677), (161, 160371), (173, 149247), (207, 124733), (309, 83559), (483, 53457), (519, 49749), (721, 35811), (927, 27853), (1211, 21321), (1449, 17819), (1557, 16583), (2163, 11937), (2369, 10899), (3633, 7107), (3979, 6489)]