81310149

素因数分解:

$3^4\times {\mathrm{563}}^1\times {\mathrm{1783}}^1$

素因数の和:2358

約数の個数: 20

約数和(自身を含む): 121747296

約数和(自身を除く): 40437147

約数列:

[1, 3, 9, 27, 81, 563, 1689, 1783, 5067, 5349, 15201, 16047, 45603, 48141, 144423, 1003829, 3011487, 9034461, 27103383, 81310149]

約数ペア:

[(1, 81310149), (3, 27103383), (9, 9034461), (27, 3011487), (81, 1003829), (563, 144423), (1689, 48141), (1783, 45603), (5067, 16047), (5349, 15201)]