31154361

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 48844800

約数和(自身を除く): 17690439

約数列:

[1, 3, 7, 21, 79, 89, 211, 237, 267, 553, 623, 633, 1477, 1659, 1869, 4431, 7031, 16669, 18779, 21093, 49217, 50007, 56337, 116683, 131453, 147651, 350049, 394359, 1483541, 4450623, 10384787, 31154361]

約数ペア:

[(1, 31154361), (3, 10384787), (7, 4450623), (21, 1483541), (79, 394359), (89, 350049), (211, 147651), (237, 131453), (267, 116683), (553, 56337), (623, 50007), (633, 49217), (1477, 21093), (1659, 18779), (1869, 16669), (4431, 7031)]