213068531

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 252419328

約数和(自身を除く): 39350797

約数列:

[1, 13, 17, 47, 73, 221, 281, 611, 799, 949, 1241, 3431, 3653, 4777, 10387, 13207, 16133, 20513, 44603, 58327, 62101, 171691, 224519, 266669, 348721, 758251, 964111, 2918747, 4533373, 12533443, 16389887, 213068531]

約数ペア:

[(1, 213068531), (13, 16389887), (17, 12533443), (47, 4533373), (73, 2918747), (221, 964111), (281, 758251), (611, 348721), (799, 266669), (949, 224519), (1241, 171691), (3431, 62101), (3653, 58327), (4777, 44603), (10387, 20513), (13207, 16133)]