20830149

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{719}}^1$

素因数の和:794

約数の個数: 32

約数和(自身を含む): 32832000

約数和(自身を除く): 12001851

約数列:

[1, 3, 9, 27, 29, 37, 87, 111, 261, 333, 719, 783, 999, 1073, 2157, 3219, 6471, 9657, 19413, 20851, 26603, 28971, 62553, 79809, 187659, 239427, 562977, 718281, 771487, 2314461, 6943383, 20830149]

約数ペア:

[(1, 20830149), (3, 6943383), (9, 2314461), (27, 771487), (29, 718281), (37, 562977), (87, 239427), (111, 187659), (261, 79809), (333, 62553), (719, 28971), (783, 26603), (999, 20851), (1073, 19413), (2157, 9657), (3219, 6471)]