81235735

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{809}}^1$

素因数の和:991

約数の個数: 32

約数和(自身を含む): 118195200

約数和(自身を除く): 36959465

約数列:

[1, 5, 7, 19, 35, 95, 133, 151, 665, 755, 809, 1057, 2869, 4045, 5285, 5663, 14345, 15371, 20083, 28315, 76855, 100415, 107597, 122159, 537985, 610795, 855113, 2321021, 4275565, 11605105, 16247147, 81235735]

約数ペア:

[(1, 81235735), (5, 16247147), (7, 11605105), (19, 4275565), (35, 2321021), (95, 855113), (133, 610795), (151, 537985), (665, 122159), (755, 107597), (809, 100415), (1057, 76855), (2869, 28315), (4045, 20083), (5285, 15371), (5663, 14345)]