211679631

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 333365760

約数和(自身を除く): 121686129

約数列:

[1, 3, 9, 17, 51, 79, 83, 153, 211, 237, 249, 633, 711, 747, 1343, 1411, 1899, 3587, 4029, 4233, 6557, 10761, 12087, 12699, 16669, 17513, 19671, 32283, 50007, 52539, 59013, 111469, 150021, 157617, 283373, 297721, 334407, 850119, 893163, 1003221, 1383527, 2550357, 2679489, 4150581, 12451743, 23519959, 70559877, 211679631]

約数ペア:

[(1, 211679631), (3, 70559877), (9, 23519959), (17, 12451743), (51, 4150581), (79, 2679489), (83, 2550357), (153, 1383527), (211, 1003221), (237, 893163), (249, 850119), (633, 334407), (711, 297721), (747, 283373), (1343, 157617), (1411, 150021), (1899, 111469), (3587, 59013), (4029, 52539), (4233, 50007), (6557, 32283), (10761, 19671), (12087, 17513), (12699, 16669)]