203217861

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{6329}}^1$

素因数の和:6489

約数の個数: 32

約数和(自身を含む): 340300800

約数和(自身を除く): 137082939

約数列:

[1, 3, 7, 11, 21, 33, 77, 139, 231, 417, 973, 1529, 2919, 4587, 6329, 10703, 18987, 32109, 44303, 69619, 132909, 208857, 487333, 879731, 1461999, 2639193, 6158117, 9677041, 18474351, 29031123, 67739287, 203217861]

約数ペア:

[(1, 203217861), (3, 67739287), (7, 29031123), (11, 18474351), (21, 9677041), (33, 6158117), (77, 2639193), (139, 1461999), (231, 879731), (417, 487333), (973, 208857), (1529, 132909), (2919, 69619), (4587, 44303), (6329, 32109), (10703, 18987)]